Test and optimize SPF, DMARC, DKIM, and MTA-STS
Check a domain's SPF, DMARC, DKIM, and MTA-STS records. We validate syntax, check for RFC compliance and make suggestions to improve and optimize your email setup.
Check a domain's SPF, DMARC, DKIM, and MTA-STS records. We validate syntax, check for RFC compliance and make suggestions to improve and optimize your email setup.