Am 09.05.2016 um 22:42 schrieb Franck Martin via dmarc-discuss:
RFC7489.MAILFROM is RFC5321.MailFrom if it is not empty, otherwise it is
postmaster@<RFC5321.Helo>

Hello Franck,

does that mean a message could pass DMARC if

 - it's send from a host sending "mail.example.com" as HELO parameter
 - have an empty envelope sender
 - have a header "From: MAILER-DAEMON <[email protected]>"
 - is not DKIM signed at all

???

Andreas
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