009 | DNS Setup for Mail and Website Part 2 — Mail Protection (SPF, DKIM, DMARC)

30.05.2025

Continuing the topic of DNS, in addition to the basic A and MX records, there are three other critically important records that are responsible for the security of your mail and its deliverability — that is, ensuring your emails don’t end up in spam. These are SPF, DKIM, and DMARC. They act as unique digital seals and verification rules for your correspondence, confirming its authenticity.

• SPF Record (Sender Policy Framework): Authorizing Sending