[Mailman-Users] Mailman needs 20 seconds to complete per email

[Ben Cooksley]

On Wed, Nov 28, 2012 at 10:56 AM, Ralf Hildebrandt
<Ralf.Hildebrandt at charite.de> wrote:
> * Mark Sapiro <mark at msapiro.net>:
>
>> >> Nov 27 08:00:22 2012 (10393) <mailman.0.1353999601.22399.carbonmarkets at lists.mycompany.eu> smtp to carbonmarkets for 1 recips, completed in 21.021 seconds
>> >> Nov 27 08:00:43 2012 (10393) <mailman.1.1353999601.22399.agriculture at lists.mycompany.eu> smtp to agriculture for 1 recips, completed in 21.013 seconds
>> [...]
>>
>>
>> It is extreme and highly unusual for a single Mailman-Postfix SMTP
>> transaction to take 20 seconds, but it is almost certainly due to
>> something in your Postfix configuration.
>
> It's probably some DNS resolution issue (I'd say). Or a really slow
> smtpd_proxy_filter.

It could also be a sleep command, in one of the various
smtpd_client_restrictions rules.
Usually one puts permit_mynetworks (which contains
localhost/127.0.0.1) before those though.

>
> --
> Ralf Hildebrandt                   Charite Universitätsmedizin Berlin
> ralf.hildebrandt at charite.de        Campus Benjamin Franklin
> http://www.charite.de              Hindenburgdamm 30, 12203 Berlin
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