10 msgpostfix relaying
2 msgRestrict sending external mail depending on LDA...
2 msgmonitoring emails for a particular user
1 msgloops back to myself with antivirus gateway...
2 msgcyrus and postfix issue...
2 msgDeny messages to local mailing lists
2 msgTranslation delivery error messages
3 msgWhy smtp instead of relay?
2 msgChroot Timestamps
18 msgrelay access denied
7 msgQuestion about Successful Mail Delivery Report
6 msgclamav question
2 msgFind/Replace Text, Strip Graphics
7 msgBlacklisted
3 msgCharset problems
4 msg[urgent] how to use remote mail server ?
1 msg[Re: sasl problem]

off-topic?
\ Pablo L. Arturi (15 May 2007)
. \ Ralf Hildebrandt (16 May 2007)

7 msgsmtpd_milter question
1 msgOff-topic: Linux distro compare site
Subject:off-topic?
Group:Postfix-users
From:Pablo L. Arturi
Date:15 May 2007


 

Hello people, if this is an off-topic question sorry about it.

I am trying to find how many messages are sent usualy by spammers in which period of time, so I can apply rules against them.

lets say: block a sender if this sender has sent 100 messages in 1 minute, or something like that.

Anyone knows an effective combination? any suggestion?

Thank you,
Pablo


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