Ah, sorry, I thought you were saying they're different things. What you're actually asking for is consistent terminology. Understood now.
-MSK On 3/11/13 4:28 PM, "Carl S. Gutekunst" <[email protected]> wrote: >* >* >>> That all sounds good. I think it would help to incorporate the language >>> of RFC 4408 into the DMARC specification: e.g., use "MAIL FROM >>>Identity" >>> and not 5321.MailFrom when referring to the behavior of SPF. The two >>>are >>> not the same. >>> >> They're not? I thought RFC5598 defined one in terms of the other. > >Hey Murray. The RFC4408 "MAIL FROM" Identity is unique to SPF/Sender-ID, >and would be (IMHO) out of scope for RFC 5598. Per Section 2.2, it's a >computed value derived from the SMTP MAIL command and the "HELO" >Identity, which is defined in Section 2.1. > > 2.2. The MAIL FROM Identity > > The "MAIL FROM" identity derives from the SMTP MAIL command (see > [RFC2821]). This command supplies the "reverse-path" for a >message, > which generally consists of the sender mailbox, and is the mailbox >to > which notification messages are to be sent if there are problems > delivering the message. > > [RFC2821] allows the reverse-path to be null (see Section 4.5.5 in > RFC 2821). In this case, there is no explicit sender mailbox, and > such a message can be assumed to be a notification message from the > mail system itself. When the reverse-path is null, this document > defines the "MAIL FROM" identity to be the mailbox composed of the > localpart "postmaster" and the "HELO" identity (which may or may >not > have been checked separately before). > >Really, the answer I needed was "perform the SPF check for DMARC exactly >as specified in RFC4408." It was just a suggestion on my part the DMARC >spec would be more clear if it said "MAIL FROM Identity" rather than >"5321.MailFrom" when referring to SPF checks. > >(If someone had told me 5 years ago that I would be hair-splitting over >the semantics of RFC 4408, I would have run off to Nepal and become a >monk....) > ><csg> _______________________________________________ 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)
