[Mailman-Users] speed up mailman

[Ruben Safir]

On 02/28/2016 12:33 PM, Mark Sapiro wrote:
> On 02/28/2016 07:29 AM, Ruben Safir wrote:
>>
>> No, I mean I send messages and they don't show up for a half hour even
>> in the postfix logs....
> 
> 
> Assuming Mailman 2.1.x, the usual cause of this is a backlogged 'out'
> queue in Mailman. Look at Mailman's 'smtp' log, and look at how many
> files are in Mailman's qfiles/out/ directory (/var/spool/mailman/out in
> some packages).
> 
> If there are more than one or two files in the out/ queue, and if the
> smtp log has successive entries of the form

there are 38 files in there at preseent
-rw-rw----  1 mailman mailman  4441 Feb 28 16:57 1456690111.419805+dd7dabe9420b90aad8e72ee0607a4eb015fb9976.pck
-rw-rw----  1 mailman mailman 21731 Feb 28 16:33 1456695234.857981+952d2cfb1cfa9559943dc335ca8eced7d26aaa6f.pck
-rw-rw----  1 mailman mailman 30549 Feb 28 16:33 1456695235.935237+55c1c60ede5771fa2960a0460011f82266dbcb8b.pck
-rw-rw----  1 mailman mailman 26009 Feb 28 16:33 1456695236.069412+c268ffc9dfded5c93d3b3048831f058e184dd576.pck
www:/var/lib/mailman/qfiles/out # ls -al |wc
     38     335    4028



> 
> Feb 28 08:55:43 2016 (30307) <mesage-id> smtp to list for nnn recips,
> completed in t.ttt seconds

this is the postfix mail log?


like this?

2016-02-28T17:17:14.802128-05:00 www postfix/qmgr[21586]: 0F2FB1616D8: from=<hangout-bounces at nylxs.com>, size=6960, nrcpt=41 (queue active)
2016-02-28T17:17:14.857414-05:00 www postfix/qmgr[21586]: 7C884163D99: from=<hangout-bounces at nylxs.com>, size=4936, nrcpt=42 (queue active)
2016-02-28T17:17:14.876153-05:00 www postfix/qmgr[21586]: 7E61E1616C8: from=<hangout-bounces at nylxs.com>, size=5354, nrcpt=40 (queue active)
2016-02-28T17:17:14.893215-05:00 www postfix/qmgr[21586]: 15E131617B9: from=<hangout-bounces at nylxs.com>, size=3740, nrcpt=41 (queue active)

and this
2016-02-28T17:17:43.841701-05:00 www postfix/local[667]: 47291163DA1: to=<hangout-bounces at nylxs.com>, relay=local, delay=0.55, delays=0.03/0/0/0.51, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman bounces hangout)

18260985136, Hostname=BLUPR09MB0181.namprd09.prod.outlook.com] 12753 bytes in 0.183, 67.784 KB/sec Queued mail for delivery)
2016-02-28T15:51:56.553321-05:00 www postfix/local[25454]: E763B163D9C: to=<hangout-bounces at nylxs.com>, relay=local, delay=0.61, delays=0.1/0/0/0.51, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman bounces hangout)
2016-02-28T15:52:24.710239-05:00 www postfix/local[25458]: 18326163D9A: to=<hangout-bounces at nylxs.com>, relay=local, delay=0.61, delays=0.09/0/0/0.51, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman bounces hangout)
2016-02-28T16:06:18.504031-05:00 www postfix/local[25619]: A874B163DA1: to=<hangout at nylxs.com>, relay=local, delay=1.4, delays=0.88/0.02/0/0.52, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman post hangout)
2016-02-28T16:33:54.960832-05:00 www postfix/local[26033]: 0A854163DA2: to=<hangout at nylxs.com>, relay=local, delay=1, delays=0.17/0.05/0/0.79, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman post hangout)
2016-02-28T17:12:16.334190-05:00 www postfix/local[561]: BA2A3163DA2: to=<hangout-bounces at nylxs.com>, relay=local, delay=1.6, delays=0.19/0.04/0/1.4, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman bounces hangout)
2016-02-28T17:12:16.342511-05:00 www postfix/local[513]: ADAD9163DA1: to=<hangout-bounces at nylxs.com>, relay=local, delay=1.6, delays=0.05/0.01/0/1.6, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman bounces hangout)
2016-02-28T17:17:43.841701-05:00 www postfix/local[667]: 47291163DA1: to=<hangout-bounces at nylxs.com>, relay=local, delay=0.55, delays=0.03/0/0/0.51, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman bounces hangout)


> 
> with each messages time stamp being t.ttt seconds later than the
> preceding message, the out/ queue is backlogged. If that is the case,
> Mailman isn't able to deliver fast enough to Postfix to keep up with
> it's volume.
> 
> Even with full VERP, Mailman should be able to deliver tens of messages
> per second to Postfix. If it is slower than that, there is a n issue
> with delivery. Once we have more info on whether the queue is backlogged
> and what the delivery rate is, we can say more.
> You might find some of the hits from the google search
> 
> site:mail.python.org inurl:mailman backlogged out queue
> 
> of interest.
> 
> 


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