Email Authentication

Email authentication includes a number of strategies to identify the sender of an email. You (the email sender) can use email authentication to clearly tell receiving email servers that your emails really come from your company. These identification...

SPF (Sender Policy Framework) is a method of sender authentication. SPF protects the envelope sender address, also called the "return path," which is used for the delivery of email messages. Protect Your Domain​ The purpose of an SPF record is to ...

General Information DMARC stands for Domain-based Message Authentication, Reporting, and Conformance. DMARC is a new technical specification that was created to help reduce email abuse, especially phishing attacks. DMARC standardizes how email rece...

DomainKeys Identified Mail (DKIM) is a method for email authentication. DKIM uses public-key cryptography to allow the sender to electronically sign legitimate emails. With DKIM, the receiving mail server can verify that a message actually comes fro...