What is DKIM? DKIM (DomainKeys Identified Mail) is the highest level of email authentication, through the use of cryptographic authentication. It allows the sender to claim responsibility for the message via digital signature, and the receiver to check the public … Continued

What is an SPF record? Sender Policy Framework (SPF) is an extension to the Simple Mail Transfer Protocol (SMTP). SPF allows software to identify and reject forged addresses in the SMTP MAIL FROM (Return-Path). Adding an SPF record requires your … Continued