>> First, thank you for your help. >> >> I often encounter performance problems with postfix and mailing-list. >> I have a relay mail postfix filtering mail traffic for about 12 000 >> mailboxes. Mailboxes are hosted on other mail servers. >> >> I use also amavisd-new with spammassassin and clamav. >> Postfix version is 2.8 and i use it with postscreen configuration. >> >> My problem is that I often see that mailq grows up to 7000 mails and it >> takes about 2 hours to deliver those mails. I don't understand why it is >> so slow. When i take a look at sender with qshape -s active i see who >> are sending mails and it is always mailling, but it is not spam traffic. >> >> Thank you for your help. >> >> Jérémie >> >>
I don't understand what's slow, you AVAS or your smarthost/relay server? For amavis try increasing the number of forked processes and use sysstat (iostat,pidstat,vmstat,sar) to monitor performance (graphing help too). -- Simone Caruso IT Consultant +39 349 65 90 805
