SPF+DKIM+DMARC

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Revision as of 23:49, 4 February 2020 by Justina (talk | contribs) (→‎Sender Policy Framework: lang="bash"?)

Correct mail configuration is especially important if you own a "biz" domain, to avoid having your email misinterpreted or misclassified as spam.

Sender Policy Framework

SPF is described in RFC 7208 and implemented as a DNS TXT record.

example.biz.            86400   IN      TXT     "v=spf1 a mx ~all"

The version was never updated from 1.

DomainKeys Identified Mail

https://tools.ietf.org/html/rfc6376

Domain-based Message Authentication, Reporting, and Conformance

https://tools.ietf.org/html/rfc7489