I am running maxking/mailman-*:0.2 (GNU Mailman 3.2.0 (La Villa Strangiato)).
It looks like Mailman is not receiving (enough) mails, but are keps in the Postfix queue and I can't figure out why.
I get a lot of "mail for [172.19.199.2]:8024 is using up 7841 of 7841 active queue entries" in the postfix container log (more postfix log at the buttom.
I have restarted all Mailman containers this morning, but this didn't help anything. Last entries in Mailman's smtp.log were when we restarted the containers: Sep 18 08:30:02 2019 (36) Peer: ('172.19.199.1', 35454) Sep 18 08:30:02 2019 (36) ('172.19.199.1', 35454) handling connection Sep 18 08:30:13 2019 (36) ('172.19.199.1', 35454) EOF received Sep 18 08:30:13 2019 (36) Connection lost during _handle_client() Sep 18 08:30:13 2019 (36) ('172.19.199.1', 35454) connection lost Sep 18 08:30:18 2019 (36) Peer: ('172.19.199.1', 37164) Sep 18 08:30:18 2019 (36) ('172.19.199.1', 37164) handling connection Sep 18 08:30:20 2019 (36) ('172.19.199.1', 37164) EOF received Sep 18 08:30:20 2019 (36) Connection lost during _handle_client() Sep 18 08:30:20 2019 (36) ('172.19.199.1', 37164) connection lost
The runners last ran at Sep 18 08:42:21 2019
The mailman.log updates constantly, but with "Sep 18 09:45:16 2019 (39) 172.19.199.3 - - "GET /3.0/users/" something something only or other http gets. A lot of them is 404 errors, but also a lot of "GET /3.0/lists/LISTNAME HTTP 200 responces, which should not be related.
In "uwsgi-error.log" I get some tracebacks, but since I don't think should be related to incoming mails, I'll leave the traceback for now.
Sep 18 10:07:47 postfix postfix/smtpd[5426]: connect from gateway[172.19.199.1] Sep 18 10:07:47 postfix postfix/smtpd[5426]: 45DAA7E97BE94: client=gateway[172.19.199.1] Sep 18 10:07:47 postfix postfix/cleanup[5429]: 45DAA7E97BE94: message-id=<A29DAD01610ED744A9D6F14880665668011C8A2C@P 1KITMBX01WC01.unicph.domain> Sep 18 10:07:47 postfix opendkim[19]: 45DAA7E97BE94: DKIM-Signature field added (s=default, d=listsgw.ku.dk) Sep 18 10:07:47 postfix postfix/smtpd[5426]: disconnect from gateway[172.19.199.1] Sep 18 10:07:47 postfix postfix/qmgr[98]: 45DAA7E97BE94: from=<sender@example.com>, size=7988, nrcpt=1 (queue active) Sep 18 10:07:47 postfix postfix/qmgr[98]: warning: mail for [172.19.199.2]:8024 is using up 7844 of 7844 active queue entries Sep 18 10:07:47 postfix postfix/qmgr[98]: warning: you may need to reduce lmtp connect and helo timeouts Sep 18 10:07:47 postfix postfix/qmgr[98]: warning: so that Postfix quickly skips unavailable hosts Sep 18 10:07:47 postfix postfix/qmgr[98]: warning: you may need to increase the main.cf minimal_backoff_time and maximal_backoff_time Sep 18 10:07:47 postfix postfix/qmgr[98]: warning: so that Postfix wastes less time on undeliverable mail Sep 18 10:07:47 postfix postfix/qmgr[98]: warning: you may need to increase the master.cf lmtp process limit Sep 18 10:07:47 postfix postfix/qmgr[98]: warning: please avoid flushing the whole queue when you have Sep 18 10:07:47 postfix postfix/qmgr[98]: warning: lots of deferred mail, that is bad for performance Sep 18 10:07:47 postfix postfix/qmgr[98]: warning: to turn off these warnings specify: qmgr_clog_warn_time = 0 [SLIP] Sep 18 10:26:34 postfix postfix/qmgr[98]: B34C07E980CA3: from=<LISTNAME@lists.example.com>, size=1219, nrcpt=1 (queue active) Sep 18 10:26:34 postfix postfix/smtp[6559]: connect to sst-dk.mx1-dk.mailanyone.net[130.226.237.91]:25: Connection refused Sep 18 10:26:34 postfix postfix/smtp[6559]: connect to sst-dk.mx1-dk.mailanyone.net[::ffff:130.226.237.91]:25: Connection refused Sep 18 10:26:34 postfix postfix/smtp[6559]: connect to sst-dk.mx2-dk.mailanyone.net[::ffff:130.226.237.91]:25: Connection refused Sep 18 10:26:34 postfix postfix/smtp[6559]: connect to sst-dk.mx2-dk.mailanyone.net[130.226.237.91]:25: Connection refused Sep 18 10:26:34 postfix postfix/smtp[6559]: connect to sst-dk.mx3-dk.mailanyone.net[130.226.237.91]:25: Connection refused Sep 18 10:26:34 postfix postfix/smtp[6559]: B34C07E980CA3: to=<RECIPIENT@foo.bar>, relay=none, delay=420673, delays=420673/0.05/0.2/0, dsn=4.4.1, status=deferred (connect to sst-dk.mx3-dk.mailanyone.net[130.226.237.91]:25: Connection refused)
/ Henrik Rasmussen