p5-Mail-Milter-Authentication

Perl Mail Authentication Milter

A Perl implementation of email authentication standards rolled up into a single easy to use milter. This milter verifies using the following standards. ARC / BIMI / DMARC / IPRev / SPF Check HELO matches it's IP address DKIM (including ADSP) DomainKeys (deprecated) SenderID (deprecated) Includes additional modules. AddID - add a header to all email (example) ReturnOK - Checks that return addresses have properly configured MX records TLS (milter protocol only) - identifies TLS protected connections Check alignment of RFC5322 From and Mail From addresses Send aggregate data to the abusix service Check for SMTP Authentication Block mail based on simple rules Check IP against a trusted list and/or local IP space Extended logging Reverse loopup checking Check against a list of RBLDNS services Generate metrics about message header and body sizes