On Wed, Nov 28, 2012 at 10:56 AM, Ralf Hildebrandt Ralf.Hildebrandt@charite.de wrote:
- Mark Sapiro mark@msapiro.net:
Nov 27 08:00:22 2012 (10393) mailman.0.1353999601.22399.carbonmarkets@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@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@charite.de Campus Benjamin Franklin http://www.charite.de Hindenburgdamm 30, 12203 Berlin Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155
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