<\/span><\/h2>\nEmail warm-up should begin with proper infrastructure.<\/p>\n
Before sending significant volumes, the sender should configure the relevant authentication records and make sure the mailbox is properly connected to the sending platform.<\/p>\n
Important authentication technologies include:<\/p>\n
SPF:<\/strong> Helps identify which servers are authorized to send email for a domain.<\/p>\nDKIM:<\/strong> Adds a cryptographic signature to outgoing messages so receiving systems can verify that the message was authorized by the sending domain.<\/p>\nDMARC:<\/strong> Provides instructions for handling authentication failures and helps protect the domain from unauthorized use.<\/p>\nOther infrastructure considerations can include DNS configuration, custom tracking domains, reverse DNS for dedicated IP environments, and correct mailbox configuration.<\/p>\n
Warm-up cannot compensate for a fundamentally broken email infrastructure.<\/p>\n
<\/span>Step 2: Establish Normal Mailbox Activity<\/span><\/h2>\nA new mailbox should not necessarily begin its life by sending a large sales campaign.<\/p>\n
Normal business communication can help establish legitimate activity.<\/p>\n
Examples include:<\/p>\n