> Do you have SPF records and DKIM signing set up? I believe so - we're nowadays using a hosted smtp provider (proofpoint), and mail from mailman shows an SPF "pass" in my mail client. I think if that were the issue it would be affecting all outgoing mail from our domain, but this appears to be affecting only mailman
>And mailman 2.1.9 is a really old version... I know. It's a legacy system I inherited. Kevin Bowen kevin.t.bo...@gmail.com <ke...@ucsd.edu> On Thu, Sep 5, 2019 at 2:01 PM Robert Heller <hel...@deepsoft.com> wrote: > At Thu, 5 Sep 2019 13:53:26 -0700 Kevin Bowen <kevin.t.bo...@gmail.com> > wrote: > > > > > Hello, > > This morning my mailman instance (2.1.9) was not delivering any mail - > mail > > was going into it but not going out. Restarting mailman and sendmail > caused > > mail to start flowing again, but several hours later there still appears > to > > be a backlog of several thousand files in /var/spool/mailman/out - > they're > > draining, but only very slowly, with some of them dating back to this > > morning, around the time of the restart, and mail delivery appears > delayed. > > I'm not sure if it just needs more time to drain the queue, or if > something > > is stuck somewhere that needs to be removed - I don't see anything > relevant > > logged, but I'm not sure if I'm looking in the right place or what I > should > > be looking for. Can anyone give me any pointers to what i should be > looking > > at to troubleshoot this? > > Look at Sendmail's logs. My *guess* is that someone is greylisting (or > even > blacklisting) your domain or host. > > Do you have SPF records and DKIM signing set up? > > And mailman 2.1.9 is a really old version... > > > > > > > Kevin Bowen > > kevin.t.bo...@gmail.com <ke...@ucsd.edu> > > ------------------------------------------------------ > > Mailman-Users mailing list Mailman-Users@python.org > > https://mail.python.org/mailman/listinfo/mailman-users > > Mailman FAQ: http://wiki.list.org/x/AgA3 > > Security Policy: http://wiki.list.org/x/QIA9 > > Searchable Archives: > http://www.mail-archive.com/mailman-users%40python.org/ > > Unsubscribe: > https://mail.python.org/mailman/options/mailman-users/heller%40deepsoft.com > > > > > > > -- > Robert Heller -- 978-544-6933 > Deepwoods Software -- Custom Software Services > http://www.deepsoft.com/ -- Linux Administration Services > hel...@deepsoft.com -- Webhosting Services > > ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org https://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: https://mail.python.org/mailman/options/mailman-users/archive%40jab.org
