[Mailman-Users] DMARC and Gmail

Jim Popovitch jimpop at gmail.com
Wed Apr 16 20:28:43 CEST 2014

On Wed, Apr 16, 2014 at 1:35 PM, Joseph Brennan <brennan at columbia.edu> wrote:
> [DMARC's words]
>>    o  A "silent discard", wherein the SMTP server returns a 2xy reply
>>       code implying to the client that delivery (or, at least, relay)
>>       was successfully completed, but then simply discarding the
>>       message with no further action.
> Naturally the people who can't read RFC5322 and understand that the From
> header line represents the writer of the message also can't read RFC5321 and
> grasp that a 2xy code signifies a responsibility that is well defined (sec
> 4.2.5).
> They're just making stuff up.  And companies that fall for it betray their
> cluelessness.
> Joseph Brennan
> Columbia University Information Technology
> (N.B. They were so proud of using "wherein" that they got lost later in the
> sentence-- s/b "discards" not "discarding".)

+10  ^^ This is by far the best description of the situation.

-Jim P.

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