Domain-based Message Authentication, Reporting and Conformance (DMARC)

wikipedia:DMARC (March 2015) is defined in RFC 7489

• DMAR record examples: _dmarc

Related terms

• dig: dig -t MX

Activities

• Read StackOverflow question about DMARC: https://stackoverflow.com/questions/tagged/dmarc?tab=Votes
• Read: https://support.google.com/a/answer/2466563
• Read "Help prevent spoofing and spam with DMARC" from gmail: https://support.google.com/a/answer/2466580
• Recurly, https://support.recurly.com/hc/en-us/articles/360034122091-How-do-I-configure-SPF-DKIM-or-DMARC-records-

See also

• dig, host, nslookup, delv, axfr, resolvectl query, dig -t NS, dig -t MX, dig -t TXT, dig -t SOA
• DMARC, _dmarc
• Mail, SPF, DMARC, MX, DKIM, ARC, Email Authentication, Email spoofing, Sender ID
• Mail, SMTP, submission, SMTPS, POP, IMAP, StartTLS, Exim, Postfix, IRedMail, Fail2ban, Dovecot, Roundcube, DKIM, SPF, DMARC, MX, ssmtp, mailx, Swaks