{"id":20300,"date":"2026-04-14T17:13:29","date_gmt":"2026-04-14T17:13:29","guid":{"rendered":"https:\/\/lite14.net\/blog\/?p=20300"},"modified":"2026-04-14T17:13:29","modified_gmt":"2026-04-14T17:13:29","slug":"how-to-improve-email-deliverability-using-sendgrid-best-practices","status":"publish","type":"post","link":"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/","title":{"rendered":"How to Improve Email Deliverability Using SendGrid Best Practices"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_How_to_Improve_Email_Deliverability_Using_SendGrid_Best_Practices_2026_Guide\" >\u00a0How to Improve Email Deliverability Using SendGrid Best Practices (2026 Guide)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_1_Understand_What_Email_Deliverability_Really_Means\" >\u00a01. Understand What Email Deliverability Really Means<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_2_Set_Up_Proper_Email_Authentication_CRITICAL\" >\u00a02. Set Up Proper Email Authentication (CRITICAL)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_SPF_Sender_Policy_Framework\" >\u00a0SPF (Sender Policy Framework)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Best_practice\" >Best practice:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_DKIM_DomainKeys_Identified_Mail\" >\u00a0DKIM (DomainKeys Identified Mail)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Best_practice-2\" >Best practice:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_DMARC_Domain-based_Message_Authentication\" >\u00a0DMARC (Domain-based Message Authentication)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Recommended_policy\" >Recommended policy:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Why_it_matters\" >Why it matters:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_3_Use_a_Dedicated_Sending_Domain\" >\u00a03. Use a Dedicated Sending Domain<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Best_setup\" >Best setup:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Why\" >Why:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_4_Warm_Up_Your_Sending_Domain_IP\" >\u00a04. Warm Up Your Sending Domain &amp; IP<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Best_practice_warm-up_plan\" >Best practice warm-up plan:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Week_1\" >Week 1:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Week_2\" >Week 2:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Week_3%E2%80%934\" >Week 3\u20134:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#SendGrid_Tip\" >SendGrid Tip:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_5_Segment_Your_Email_Lists_Huge_Impact\" >\u00a05. Segment Your Email Lists (Huge Impact)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Best_segments\" >Best segments:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Why_it_works\" >Why it works:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_6_Clean_Your_Email_List_Regularly\" >\u00a06. Clean Your Email List Regularly<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Remove\" >Remove:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Pro_tip\" >Pro tip:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_7_Optimize_Email_Content_Spam_Filter_Friendly\" >\u00a07. Optimize Email Content (Spam Filter Friendly)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Avoid\" >Avoid:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Best_practices\" >Best practices:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_8_Monitor_Key_SendGrid_Metrics\" >\u00a08. Monitor Key SendGrid Metrics<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Core_metrics\" >\u00a0Core metrics:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Warning_signs\" >Warning signs:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_9_Use_SendGrid_Suppression_Lists_Properly\" >\u00a09. Use SendGrid Suppression Lists Properly<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Best_practice-3\" >Best practice:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_10_Separate_Transactional_and_Marketing_Emails\" >\u00a010. Separate Transactional and Marketing Emails<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Split_into\" >Split into:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Transactional_emails\" >\u00a0Transactional emails:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Marketing_emails\" >\u00a0Marketing emails:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Why-2\" >Why:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_11_Improve_Engagement_Signals_Most_Important_in_2026\" >\u00a011. Improve Engagement Signals (Most Important in 2026)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Improve_engagement_by\" >Improve engagement by:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Key_engagement_signals\" >Key engagement signals:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_12_Send_at_the_Right_Time\" >\u00a012. Send at the Right Time<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Best_general_windows\" >Best general windows:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Pro_tip-2\" >Pro tip:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_13_Use_Consistent_Sending_Volume\" >\u00a013. Use Consistent Sending Volume<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Bad_example\" >Bad example:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Good_example\" >Good example:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-48\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_14_Run_Inbox_Placement_Tests\" >\u00a014. Run Inbox Placement Tests<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-49\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Tools\" >Tools:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-50\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_15_Reduce_Spam_Complaints_at_All_Costs\" >\u00a015. Reduce Spam Complaints at All Costs<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-51\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#How_to_reduce_them\" >How to reduce them:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-52\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_16_Use_Personalization_at_Scale\" >\u00a016. Use Personalization at Scale<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-53\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Examples\" >Examples:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-54\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Case_Study_Insight_Typical_SendGrid_Users\" >\u00a0Case Study Insight (Typical SendGrid Users)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-55\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Final_Expert_Summary\" >\u00a0Final Expert Summary<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-56\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Focus_on_5_core_pillars\" >\u00a0Focus on 5 core pillars:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-57\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Bottom_Line\" >\u00a0Bottom Line<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-58\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_How_to_Improve_Email_Deliverability_Using_SendGrid_Best_Practices_2026\" >\u00a0How to Improve Email Deliverability Using SendGrid Best Practices (2026)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-59\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Case_Studies_Expert_Commentary\" >\u00a0Case Studies &amp; Expert Commentary<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-60\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#1_SaaS_Company_Fixing_Spam_Folder_Issues\" >1. SaaS Company Fixing Spam Folder Issues<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-61\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Case_Study\" >\u00a0Case Study<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-62\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#What_they_did_in_SendGrid\" >What they did in SendGrid:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-63\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Results\" >Results:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-64\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Commentary\" >\u00a0Commentary<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-65\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#2_E-commerce_Brand_Recovering_Blacklisted_Domain\" >2. E-commerce Brand Recovering Blacklisted Domain<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-66\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Case_Study-2\" >\u00a0Case Study<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-67\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Fix_applied\" >Fix applied:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-68\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Results-2\" >Results:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-69\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Commentary-2\" >\u00a0Commentary<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-70\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#3_Fintech_Startup_Improving_Engagement_Signals\" >3. Fintech Startup Improving Engagement Signals<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-71\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Case_Study-3\" >\u00a0Case Study<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-72\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#SendGrid_optimization_steps\" >SendGrid optimization steps:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-73\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Results-3\" >Results:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-74\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Commentary-3\" >\u00a0Commentary<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-75\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#4_Online_Marketplace_Fixing_High_Bounce_Rate\" >4. Online Marketplace Fixing High Bounce Rate<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-76\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Case_Study-4\" >\u00a0Case Study<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-77\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Fix_strategy\" >Fix strategy:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-78\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Results-4\" >Results:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-79\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Commentary-4\" >\u00a0Commentary<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-80\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#5_EdTech_Platform_Fixing_Low_Open_Rates\" >5. EdTech Platform Fixing Low Open Rates<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-81\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Case_Study\" >Case Study<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-82\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Improvements\" >Improvements:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-83\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#Results-5\" >Results:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-84\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Commentary-5\" >\u00a0Commentary<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-85\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Cross-Case_Insights_What_Actually_Improves_Deliverability\" >\u00a0Cross-Case Insights (What Actually Improves Deliverability)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-86\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#1_Authentication_Is_Non-Negotiable\" >1. Authentication Is Non-Negotiable<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-87\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#2_List_Quality_Beats_List_Size\" >2. List Quality Beats List Size<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-88\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#3_Engagement_Is_the_New_Inbox_Filter\" >3. Engagement Is the New Inbox Filter<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-89\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#4_Sending_Behavior_Shapes_Reputation\" >4. Sending Behavior Shapes Reputation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-90\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#5_Segmentation_Is_the_Biggest_Performance_Lever\" >5. Segmentation Is the Biggest Performance Lever<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-91\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Common_Mistakes_Seen_in_SendGrid_Users\" >\u00a0Common Mistakes Seen in SendGrid Users<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-92\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Final_Expert_Commentary_2026_Insight\" >\u00a0Final Expert Commentary (2026 Insight)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-93\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/#_Key_Takeaway\" >\u00a0Key Takeaway<\/a><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"_How_to_Improve_Email_Deliverability_Using_SendGrid_Best_Practices_2026_Guide\"><\/span>\u00a0How to Improve Email Deliverability Using SendGrid Best Practices (2026 Guide)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>&nbsp;<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_1_Understand_What_Email_Deliverability_Really_Means\"><\/span>\u00a01. Understand What Email Deliverability Really Means<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Email deliverability is not just \u201csending emails.\u201d<\/p>\n<p>It depends on:<\/p>\n<ul>\n<li><strong>Sender reputation (IP + domain)<\/strong><\/li>\n<li><strong>Authentication (SPF, DKIM, DMARC)<\/strong><\/li>\n<li><strong>Engagement rates (opens, clicks, replies)<\/strong><\/li>\n<li><strong>Spam complaints &amp; bounce rates<\/strong><\/li>\n<li><strong>Content quality &amp; structure<\/strong><\/li>\n<\/ul>\n<p>Even with SendGrid, poor setup = spam folder.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_2_Set_Up_Proper_Email_Authentication_CRITICAL\"><\/span>\u00a02. Set Up Proper Email Authentication (CRITICAL)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>This is the #1 deliverability factor.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"_SPF_Sender_Policy_Framework\"><\/span>\u00a0SPF (Sender Policy Framework)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Tells inbox providers:<\/p>\n<blockquote><p>\u201cThese servers are allowed to send emails for my domain.\u201d<\/p><\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"Best_practice\"><\/span>Best practice:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Add SendGrid to your SPF record<\/li>\n<li>Avoid multiple SPF records (merge them)<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"_DKIM_DomainKeys_Identified_Mail\"><\/span>\u00a0DKIM (DomainKeys Identified Mail)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Adds a digital signature to your emails.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Best_practice-2\"><\/span>Best practice:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Enable DKIM inside SendGrid dashboard<\/li>\n<li>Ensure alignment with your sending domain<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"_DMARC_Domain-based_Message_Authentication\"><\/span>\u00a0DMARC (Domain-based Message Authentication)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This tells inbox providers what to do if SPF\/DKIM fail.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Recommended_policy\"><\/span>Recommended policy:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<pre><code>v=DMARC1; p=quarantine; rua=mailto:reports@yourdomain.com;\r\n<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"Why_it_matters\"><\/span>Why it matters:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Prevents spoofing<\/li>\n<li>Improves Gmail\/Outlook trust<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_3_Use_a_Dedicated_Sending_Domain\"><\/span>\u00a03. Use a Dedicated Sending Domain<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Do NOT send marketing emails from:<\/p>\n<ul>\n<li>gmail.com<\/li>\n<li>yahoo.com<\/li>\n<li>random subdomains<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Best_setup\"><\/span>Best setup:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>marketing.yourdomain.com<\/li>\n<li>mail.yourdomain.com<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Why\"><\/span>Why:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Builds long-term domain reputation<\/li>\n<li>Separates transactional vs marketing emails<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_4_Warm_Up_Your_Sending_Domain_IP\"><\/span>\u00a04. Warm Up Your Sending Domain &amp; IP<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>If you suddenly send 10,000 emails from a new domain \u2192 spam filters trigger.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Best_practice_warm-up_plan\"><\/span>Best practice warm-up plan:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Week_1\"><\/span>Week 1:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>50\u2013100 emails\/day<\/li>\n<li>Only to engaged users<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Week_2\"><\/span>Week 2:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>200\u2013500 emails\/day<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Week_3%E2%80%934\"><\/span>Week 3\u20134:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Gradually scale to full volume<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"SendGrid_Tip\"><\/span>SendGrid Tip:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Use <strong>dedicated IP warm-up tools<\/strong> if you\u2019re on higher tiers.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_5_Segment_Your_Email_Lists_Huge_Impact\"><\/span>\u00a05. Segment Your Email Lists (Huge Impact)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Bad segmentation = low engagement = spam placement.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Best_segments\"><\/span>Best segments:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Active users (last 30 days)<\/li>\n<li>Cold users (90+ days inactive)<\/li>\n<li>New subscribers<\/li>\n<li>High engagement users<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Why_it_works\"><\/span>Why it works:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Inbox providers track:<\/p>\n<ul>\n<li>Open rate<\/li>\n<li>Click rate<\/li>\n<li>Reply rate<\/li>\n<\/ul>\n<p>Better engagement = better inbox placement.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_6_Clean_Your_Email_List_Regularly\"><\/span>\u00a06. Clean Your Email List Regularly<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Poor list hygiene destroys deliverability.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Remove\"><\/span>Remove:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Hard bounces<\/li>\n<li>Invalid emails<\/li>\n<li>Role-based emails (info@, admin@ if not needed)<\/li>\n<li>Inactive users (90\u2013180 days)<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Pro_tip\"><\/span>Pro tip:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Use double opt-in for new subscribers.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_7_Optimize_Email_Content_Spam_Filter_Friendly\"><\/span>\u00a07. Optimize Email Content (Spam Filter Friendly)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Spam filters analyze your message content.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Avoid\"><\/span>Avoid:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>ALL CAPS SUBJECT LINES<\/li>\n<li>Too many exclamation marks !!!<\/li>\n<li>Spam trigger words (\u201cFREE MONEY\u201d, \u201cURGENT\u201d, etc.)<\/li>\n<li>Image-only emails<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Best_practices\"><\/span>Best practices:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>60\u201370% text, 30\u201340% images<\/li>\n<li>Clear subject line (no clickbait)<\/li>\n<li>One clear CTA per email<\/li>\n<li>Natural language tone<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_8_Monitor_Key_SendGrid_Metrics\"><\/span>\u00a08. Monitor Key SendGrid Metrics<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Inside SendGrid, track:<\/p>\n<h2><span class=\"ez-toc-section\" id=\"_Core_metrics\"><\/span>\u00a0Core metrics:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Delivery rate (target: 98%+)<\/li>\n<li>Bounce rate (keep under 2%)<\/li>\n<li>Spam complaint rate (under 0.1%)<\/li>\n<li>Unsubscribe rate<\/li>\n<li>Open &amp; click rates<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Warning_signs\"><\/span>Warning signs:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Sudden drop in open rates \u2192 inbox placement issue<\/li>\n<li>High bounce rate \u2192 list quality problem<\/li>\n<li>High spam complaints \u2192 content issue<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_9_Use_SendGrid_Suppression_Lists_Properly\"><\/span>\u00a09. Use SendGrid Suppression Lists Properly<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>SendGrid automatically blocks:<\/p>\n<ul>\n<li>Hard bounces<\/li>\n<li>Spam complaints<\/li>\n<li>Unsubscribes<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Best_practice-3\"><\/span>Best practice:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Never try to re-add suppressed users<\/li>\n<li>Regularly sync suppression lists with CRM<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_10_Separate_Transactional_and_Marketing_Emails\"><\/span>\u00a010. Separate Transactional and Marketing Emails<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Big mistake many businesses make.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Split_into\"><\/span>Split into:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"_Transactional_emails\"><\/span>\u00a0Transactional emails:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Password resets<\/li>\n<li>Order confirmations<\/li>\n<li>Account alerts<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"_Marketing_emails\"><\/span>\u00a0Marketing emails:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Promotions<\/li>\n<li>Newsletters<\/li>\n<li>Campaigns<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Why-2\"><\/span>Why:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Transactional emails must have <strong>near 100% deliverability<\/strong><\/li>\n<li>Marketing emails carry higher spam risk<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_11_Improve_Engagement_Signals_Most_Important_in_2026\"><\/span>\u00a011. Improve Engagement Signals (Most Important in 2026)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Inbox providers now prioritize <strong>user behavior<\/strong>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Improve_engagement_by\"><\/span>Improve engagement by:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Sending relevant content (not mass blasts)<\/li>\n<li>Writing personalized subject lines<\/li>\n<li>Sending at optimal times<\/li>\n<li>Using A\/B testing<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Key_engagement_signals\"><\/span>Key engagement signals:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Opens<\/li>\n<li>Clicks<\/li>\n<li>Replies<\/li>\n<li>Time spent reading<\/li>\n<\/ul>\n<p>High engagement = inbox placement boost<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_12_Send_at_the_Right_Time\"><\/span>\u00a012. Send at the Right Time<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Timing impacts engagement directly.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Best_general_windows\"><\/span>Best general windows:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Tuesday\u2013Thursday<\/li>\n<li>9 AM \u2013 11 AM (business emails)<\/li>\n<li>6 PM \u2013 9 PM (consumer emails)<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Pro_tip-2\"><\/span>Pro tip:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Use SendGrid A\/B testing for send-time optimization.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_13_Use_Consistent_Sending_Volume\"><\/span>\u00a013. Use Consistent Sending Volume<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Avoid \u201cspiky\u201d sending patterns.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Bad_example\"><\/span>Bad example:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>0 emails for 10 days<\/li>\n<li>Then 20,000 emails in one day<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Good_example\"><\/span>Good example:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Steady daily sending<\/li>\n<li>Gradual scaling<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_14_Run_Inbox_Placement_Tests\"><\/span>\u00a014. Run Inbox Placement Tests<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Test where emails land:<\/p>\n<ul>\n<li>Inbox<\/li>\n<li>Promotions tab<\/li>\n<li>Spam folder<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Tools\"><\/span>Tools:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>SendGrid analytics<\/li>\n<li>Gmail Postmaster Tools<\/li>\n<li>Microsoft SNDS<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_15_Reduce_Spam_Complaints_at_All_Costs\"><\/span>\u00a015. Reduce Spam Complaints at All Costs<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Spam complaints are the fastest way to destroy reputation.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_reduce_them\"><\/span>How to reduce them:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Clear unsubscribe link<\/li>\n<li>Send only opted-in users<\/li>\n<li>Avoid misleading subject lines<\/li>\n<li>Keep frequency reasonable<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_16_Use_Personalization_at_Scale\"><\/span>\u00a016. Use Personalization at Scale<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Personalized emails improve:<\/p>\n<ul>\n<li>Open rates<\/li>\n<li>Click-through rates<\/li>\n<li>Deliverability<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Examples\"><\/span>Examples:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>First name personalization<\/li>\n<li>Behavior-based emails<\/li>\n<li>Purchase history targeting<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_Case_Study_Insight_Typical_SendGrid_Users\"><\/span>\u00a0Case Study Insight (Typical SendGrid Users)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Companies that improve deliverability using SendGrid best practices typically see:<\/p>\n<ul>\n<li>\u00a020\u201340% higher open rates<\/li>\n<li>50\u201370% fewer spam placements<\/li>\n<li>\u00a02\u20135x improvement in inbox reach<\/li>\n<li>\u00a0Higher conversion from email campaigns<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_Final_Expert_Summary\"><\/span>\u00a0Final Expert Summary<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>To improve email deliverability with SendGrid:<\/p>\n<h2><span class=\"ez-toc-section\" id=\"_Focus_on_5_core_pillars\"><\/span>\u00a0Focus on 5 core pillars:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>Authentication (SPF, DKIM, DMARC)<\/li>\n<li>List quality (clean + segmented data)<\/li>\n<li>Engagement (relevance + personalization)<\/li>\n<li>Reputation (steady sending + low complaints)<\/li>\n<li>Technical setup (domains, IP warming, suppression lists)<\/li>\n<\/ol>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_Bottom_Line\"><\/span>\u00a0Bottom Line<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Even the best tool\u2014like Twilio SendGrid\u2014cannot fix poor email strategy.<\/p>\n<p>Deliverability is not a feature.<br \/>\nIt\u2019s a <strong>trust system built over time<\/strong>.<\/p>\n<hr \/>\n<ul>\n<li>\n<h1><span class=\"ez-toc-section\" id=\"_How_to_Improve_Email_Deliverability_Using_SendGrid_Best_Practices_2026\"><\/span>\u00a0How to Improve Email Deliverability Using SendGrid Best Practices (2026)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"_Case_Studies_Expert_Commentary\"><\/span>\u00a0Case Studies &amp; Expert Commentary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Email deliverability determines whether your emails reach the inbox or get filtered into spam. With a platform like Twilio SendGrid, success depends less on \u201csending emails\u201d and more on <strong>reputation, authentication, and engagement quality<\/strong>.<\/p>\n<p>Below are <strong>real-world style case studies + expert commentary<\/strong> showing how companies improve deliverability in practice.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"1_SaaS_Company_Fixing_Spam_Folder_Issues\"><\/span>1. SaaS Company Fixing Spam Folder Issues<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"_Case_Study\"><\/span>\u00a0Case Study<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A mid-size SaaS company was sending:<\/p>\n<ul>\n<li>50,000 emails\/month<\/li>\n<li>Open rate dropped from 22% \u2192 9%<\/li>\n<li>35% of emails landing in spam<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"What_they_did_in_SendGrid\"><\/span>What they did in SendGrid:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Implemented <strong>SPF + DKIM + DMARC alignment<\/strong><\/li>\n<li>Moved to a <strong>dedicated sending domain<\/strong><\/li>\n<li>Split transactional vs marketing streams<\/li>\n<li>Removed inactive users (120+ days)<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Results\"><\/span>Results:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Inbox placement improved from ~65% \u2192 94%<\/li>\n<li>Spam complaints reduced by 80%<\/li>\n<li>Open rates recovered to 24%<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"_Commentary\"><\/span>\u00a0Commentary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This shows the biggest truth in deliverability:<\/p>\n<p><strong>Authentication fixes more problems than content ever will.<\/strong><\/p>\n<p>Most SendGrid issues are actually <strong>domain trust issues<\/strong>, not email design issues.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"2_E-commerce_Brand_Recovering_Blacklisted_Domain\"><\/span>2. E-commerce Brand Recovering Blacklisted Domain<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"_Case_Study-2\"><\/span>\u00a0Case Study<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A fashion e-commerce brand using Twilio SendGrid experienced:<\/p>\n<ul>\n<li>Sudden Gmail blocking<\/li>\n<li>High bounce rates<\/li>\n<li>Blacklisted domain reputation<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Fix_applied\"><\/span>Fix applied:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Gradual <strong>IP warm-up strategy (3 weeks)<\/strong><\/li>\n<li>Cleaned email list (removed 40% invalid addresses)<\/li>\n<li>Introduced engagement-based segmentation<\/li>\n<li>Reduced email frequency from daily \u2192 3x weekly<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Results-2\"><\/span>Results:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Domain reputation restored in 21 days<\/li>\n<li>Revenue from email increased by 38%<\/li>\n<li>Bounce rate dropped below 1.2%<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"_Commentary-2\"><\/span>\u00a0Commentary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This case highlights a key principle:<\/p>\n<p><strong>Sending less, but sending smarter, rebuilds trust faster.<\/strong><\/p>\n<p>Over-emailing is one of the fastest ways to damage deliverability.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"3_Fintech_Startup_Improving_Engagement_Signals\"><\/span>3. Fintech Startup Improving Engagement Signals<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"_Case_Study-3\"><\/span>\u00a0Case Study<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A fintech startup had strong infrastructure but poor engagement:<\/p>\n<ul>\n<li>Open rate: 12%<\/li>\n<li>Click rate: 1.8%<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"SendGrid_optimization_steps\"><\/span>SendGrid optimization steps:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Personalized subject lines (first name + behavior triggers)<\/li>\n<li>Segmented users by activity level<\/li>\n<li>A\/B tested send times (morning vs evening)<\/li>\n<li>Reduced \u201cbulk blast\u201d campaigns<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Results-3\"><\/span>Results:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Open rate increased to 29%<\/li>\n<li>Click rate increased to 6.5%<\/li>\n<li>Spam rate dropped below 0.05%<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"_Commentary-3\"><\/span>\u00a0Commentary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Modern inbox algorithms prioritize:<\/p>\n<p><strong>Engagement over volume<\/strong><\/p>\n<p>If users don\u2019t interact, Gmail assumes your content is irrelevant\u2014even if it is not spam.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"4_Online_Marketplace_Fixing_High_Bounce_Rate\"><\/span>4. Online Marketplace Fixing High Bounce Rate<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"_Case_Study-4\"><\/span>\u00a0Case Study<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>An online marketplace using SendGrid faced:<\/p>\n<ul>\n<li>6% bounce rate (too high)<\/li>\n<li>Poor list hygiene<\/li>\n<li>Many role-based emails (info@, admin@)<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Fix_strategy\"><\/span>Fix strategy:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Implemented real-time email validation<\/li>\n<li>Enforced double opt-in signup<\/li>\n<li>Removed invalid domains automatically<\/li>\n<li>Integrated suppression list syncing<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Results-4\"><\/span>Results:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Bounce rate reduced to 0.8%<\/li>\n<li>Inbox placement improved by 30%<\/li>\n<li>Reduced SendGrid sending costs<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"_Commentary-4\"><\/span>\u00a0Commentary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Bounce rate is a <strong>silent deliverability killer<\/strong>.<\/p>\n<p>Anything above 2% signals poor list quality to Gmail\/Outlook.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"5_EdTech_Platform_Fixing_Low_Open_Rates\"><\/span>5. EdTech Platform Fixing Low Open Rates<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study\"><\/span>Case Study<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>An education platform sending newsletters via SendGrid had:<\/p>\n<ul>\n<li>Open rate stuck at 14%<\/li>\n<li>High unsubscribe rate (3\u20134%)<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Improvements\"><\/span>Improvements:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Improved subject line clarity (no clickbait)<\/li>\n<li>Reduced email frequency from daily \u2192 weekly digest<\/li>\n<li>Used segmentation (students vs instructors)<\/li>\n<li>Improved content-to-image ratio (less image-heavy emails)<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Results-5\"><\/span>Results:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Open rate increased to 33%<\/li>\n<li>Unsubscribe rate dropped below 0.9%<\/li>\n<li>Higher course conversion rates<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"_Commentary-5\"><\/span>\u00a0Commentary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This shows that:<\/p>\n<p><strong>Frequency + relevance matter more than design tricks.<\/strong><\/p>\n<p>Over-sending is often more damaging than poor formatting.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_Cross-Case_Insights_What_Actually_Improves_Deliverability\"><\/span>\u00a0Cross-Case Insights (What Actually Improves Deliverability)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Across all SendGrid use cases, five patterns consistently appear:<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"1_Authentication_Is_Non-Negotiable\"><\/span>1. Authentication Is Non-Negotiable<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SPF + DKIM + DMARC alignment is the foundation of trust.<\/p>\n<p>Without it, everything else fails.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"2_List_Quality_Beats_List_Size\"><\/span>2. List Quality Beats List Size<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Clean lists outperform large messy lists<\/li>\n<li>Inactive users hurt reputation<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"3_Engagement_Is_the_New_Inbox_Filter\"><\/span>3. Engagement Is the New Inbox Filter<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Gmail and Outlook heavily prioritize:<\/p>\n<ul>\n<li>Opens<\/li>\n<li>Clicks<\/li>\n<li>Replies<\/li>\n<\/ul>\n<p>Low engagement = spam placement.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"4_Sending_Behavior_Shapes_Reputation\"><\/span>4. Sending Behavior Shapes Reputation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Consistent sending wins<\/li>\n<li>Sudden spikes destroy trust<\/li>\n<li>IP warm-up is critical<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"5_Segmentation_Is_the_Biggest_Performance_Lever\"><\/span>5. Segmentation Is the Biggest Performance Lever<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Segmented campaigns consistently outperform bulk campaigns by:<\/p>\n<ul>\n<li>2x\u20135x engagement rates<\/li>\n<li>Lower spam complaints<\/li>\n<li>Higher ROI<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_Common_Mistakes_Seen_in_SendGrid_Users\"><\/span>\u00a0Common Mistakes Seen in SendGrid Users<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Buying email lists<br \/>\nSending from Gmail\/Yahoo domains<br \/>\nNo IP warm-up<br \/>\nIgnoring bounce management<br \/>\nSending identical emails to everyone<br \/>\nOveruse of promotional language<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_Final_Expert_Commentary_2026_Insight\"><\/span>\u00a0Final Expert Commentary (2026 Insight)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Using Twilio SendGrid effectively is not about sending more emails\u2014it is about building <strong>long-term sender trust systems<\/strong>.<\/p>\n<p>The strongest pattern across all case studies:<\/p>\n<blockquote><p>Companies don\u2019t \u201cfix deliverability\u201d\u2014they <strong>earn inbox placement over time<\/strong>.<\/p><\/blockquote>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"_Key_Takeaway\"><\/span>\u00a0Key Takeaway<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>To improve email deliverability with SendGrid:<\/p>\n<ul>\n<li>Build authentication first (SPF, DKIM, DMARC)<\/li>\n<li>Clean and segment your audience<\/li>\n<li>Send consistently (not aggressively)<\/li>\n<li>Focus on engagement signals<\/li>\n<li>Monitor reputation continuously<\/li>\n<\/ul>\n<hr \/>\n<p>&nbsp;<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0How to Improve Email Deliverability Using SendGrid Best Practices (2026 Guide) &nbsp; \u00a01. Understand What Email Deliverability Really Means Email deliverability is not just \u201csending&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[270,90],"tags":[],"class_list":["post-20300","post","type-post","status-publish","format-standard","hentry","category-digital-marketing","category-news-update"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Improve Email Deliverability Using SendGrid Best Practices - Lite14 Tools &amp; Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lite14.net\/blog\/2026\/04\/14\/how-to-improve-email-deliverability-using-sendgrid-best-practices\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Improve Email Deliverability Using SendGrid Best Practices - Lite14 Tools &amp; Blog\" \/>\n<meta property=\"og:description\" content=\"\u00a0How to Improve Email Deliverability Using SendGrid Best Practices (2026 Guide) &nbsp; \u00a01. 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