The From was not being munged, it was showing up as

From: Jane User <u...@yahoo.com>

However, I noticed some other problems so I rebooted the host just to make sure every change had fully taken hold .. and things are working now. So it is strange, while I had previously restarted mailman, something was still not working right until a reboot. Maybe a problem in my init scripts.

thx

glen

On 06/13/2014 09:02 PM, Mark Sapiro wrote:
On 06/13/2014 08:07 PM, glen martin wrote:
I'm having a similar problem, also using 2.1.18-1. Posts from a Yahoo
user are bouncing on redelivery to him.

    Jun 13 18:55:00 host postfix/smtp[15681]: 912BD520AB:
    to=<u...@yahoo.com>, relay=mta5.am0.yahoodns.net[98.138.112.33]:25,
    delay=1.2, delays=0.05/0/0.25/0.92, dsn=5.7.9, status=bounced (host
    mta5.am0.yahoodns.net[98.138.112.33] said: 554 5.7.9 Message not
    accepted for policy reasons.  See
    http://postmaster.yahoo.com/errors/postmaster-28.html (in reply to
    end of DATA command))
...
General Options

    from_is_list is Munge From
    anonymous_list is No

Privacy Options --> Sender Filters

    dmarc_moderation_action is Munge From
    dmarc_quarantine_moderation_action is Yes

with the above, your list should be munging the From: on all outgoing
messages because from_is_list is Munge From. The dmarc_moderation_action
of Munge From is redundant in this case. It would serve to munge the
 From only on messages originally from domains with DMARC p=reject or
quarantine if from_is_list were No.

So the first question is what does the From: look like on messages from
the list. Is it

From: Jane User <u...@yahoo.com>

(which is not what it should be - something is wrong) or is it

From: Jane User via LISTNAME list <listn...@mailman.host>

which is what it should be. If it is the latter, and your mailman.host
does not publish a DMARC policy, then Yahoo is not rejecting the mail
for DMARC, but for some other unknown to me reason, but Mailman is doing
what it can.

If the From: is not munged, then there is a Mailman issue we can
investigate. So which is it?


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