[Mailman-Users] Question about rejection messages.

[Robert Heller]

At Tue, 1 Jul 2014 12:16:44 -0400 Larry Finch <finches at portadmiral.org> wrote:

> 
> 
> On Jul 1, 2014, at 11:42 AM, Barry S. Finkel <bsfinkel at att.net> wrote:
> 
> > On 7/1/2014 6:50 AM, Robert Heller wrote:
> >> I am the site admin of a server that hosts a bunch of Mailman lists and on the
> >> 1st of the month Mailman sends out its monthly reminder messages.  Some of
> >> these messages are bouncing.  Some are *obviously* for people who have changed
> >> E-Mail providers (the bunces say 'User Unknown' or 'Mailbox full').  But some
> >> have 'odd' rejection reasons and I wonder what it really going on.
> >> 
> >> Comcast is bouncing with the message:
> >>     reason: 554 Transaction Failed Spam Message not queued.
> >> 
> >> Is this Comcast's way of 'hiding' the fact that the E-Mail address is no
> >> longer valid? That is, does Comcast consider E-Mail to unknown users spam?
> >> 
> >> 
> > 
> 
> Comcast* will reject all list mail from a Yahoo or AOL member post based on
> those ISP´s DMARC p=reject policy. In other words, they honor the p=reject.
> Could this be your issue?

No. As I stated above, it was a Mailman monthly reminder message. 

> 
> best regards,
> Larry
> 
> *So will many other ISPs: SBC Global, AT&T, Rogers, Earthlink, etc.
> 
> --
> Larry Finch
> finches at portadmiral.org
> 
> 
> 
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Robert Heller             -- 978-544-6933 / heller at deepsoft.com
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