postfix-users March 2012 archive
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performance problems
From: Jeremie CEINTREY <jeremie.ceintrey_at_nospam>Date: Fri Mar 30 2012 - 07:40:12 GMT
To: postfix-users@postfix.org
Hi everybody,
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