Oh, sorry, wrong quote. Valid one is In order to be processed by DMARC, a message typically needs to contain exactly one RFC5322 <https://tools.ietf.org/html/rfc5322>.From domain (a single From: field with a single domain in it). Not all messages meet this requirement, and handling of them is outside of the scope of this document. Typical exceptions, and the way they have been historically handled by DMARC participants, are as follows:
... o Messages bearing a single RFC5322 <https://tools.ietf.org/html/rfc5322>.From field containing multiple addresses (and, thus, multiple domain names to be evaluated) are typically rejected because the sorts of mail normally protected by DMARC do not use this format; Vladimir Dubrovin пишет: > > This From contains 2 mailboxes (Lastname and [email protected]). This is > valid RFC 5322 syntax > > from = "From:" mailbox-list CRLF > ... > mailbox-list = (mailbox *("," mailbox)) / obs-mbox-list > but it's invalid for DMARC RFC 7489 and it's not covered by DMARC > specification: > > The absence of a single, properly formed RFC5322 > <https://tools.ietf.org/html/rfc5322>.From field renders > the message invalid. Handling of such a message is outside of the > scope of this specification. > Processing of message like this is implementation specific, any > implementation does not violate RFC 7489. > > A. Schulze via dmarc-discuss пишет: >> >> Hello, >> >> I noticed a message with this RFC5322.From: >> >> From: Lastname, Firstname <[email protected]> >> >> the message was authenticated by SPF and DKIM but opendmarc rejected >> finally. >> Is this From really valid? I would quote the displayname. >> >> If it's valid, I hit a bug in OpenDMARC. >> If it's invalid, maybe Elizabeth will be interested ... >> >> Andreas >> >> _______________________________________________ >> dmarc-discuss mailing list >> [email protected] >> http://www.dmarc.org/mailman/listinfo/dmarc-discuss >> >> NOTE: Participating in this list means you agree to the DMARC Note >> Well terms (http://www.dmarc.org/note_well.html) > > > -- > Vladimir Dubrovin > @Mail.Ru -- Vladimir Dubrovin @Mail.Ru
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