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
