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  #1  
Old 12th September 2007, 23:30
herbie herbie is offline
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Default Virtual Users And Domains With Postfix, Courier And MySQL (+ SMTP-AUTH, Quota, SpamAs

I've been using this setup for over 18 months, but lately I'm getting huge mail delays. I also have the maildrop filtering enabled.
qshape shows mail piling up and not being delivered.

I have no idea what to look for, or how to troubleshoot the problem.
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Old 13th September 2007, 18:36
falko falko is offline
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Any errors in your mail log?
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Old 14th September 2007, 06:43
herbie herbie is offline
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Only a couple where users were deleted from /home/vmail/domain/ but missed in the SQL table.
It just looks like waves of spam every night that clogs everything.
qshape shows a few thousand mails, some up to the 1280 line.
All I know how to do is postsuper -d ALL that wipes everything. Then it runs fine until next morning.
The machine is hostname.xyz.com and I tried adding the mail.wxy.com to the hosts file to see if it speeds DNS lookups for the main virtual domain wxy.com...

Could the delays be from trying to send 550 errors to those fake spam senders? If so, how would you delete all bounced messages from the mail queue?
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Old 14th September 2007, 18:17
herbie herbie is offline
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OMG I found this and installed it last night:
How To Block Spam Before It Enters The Server (Postfix)

This morning, there were 3 messages in the 5 minute queue!!!!!
The mailfilterlog.txt file had barely grown overnight. What a difference.
mail.log full of
Code:
NOQUEUE: reject: blocked using sbl-xbl.spamhaus.org
NOQUEUE: reject: Blocked - see http://www.spamcop.net
NOQUEUE: reject: blocked using ix.dnsbl.manitu.net
You are a genius, man!! Amazing site just full of helpful stuff.
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