5 messages in net.sourceforge.lists.courier-usersRe: [courier-users] Preventing from=<...
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Mark ConstableSep 20, 2006 2:58 am 
Sam VarshavchikSep 20, 2006 4:07 am 
Mark ConstableSep 20, 2006 4:56 am 
Martin SchusterSep 20, 2006 5:49 am 
Sam VarshavchikSep 20, 2006 3:13 pm 
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Subject:Re: [courier-users] Preventing from=<> spamActions...
From:Sam Varshavchik (mrs@courier-mta.com)
Date:Sep 20, 2006 4:07:32 am
List:net.sourceforge.lists.courier-users

Mark Constable writes:

I've got an empty smtpaccess/default file so I presume all relaying is denied but I'm getting quite a few of these...

courieresmtp: id=00043A61.450F7C5F.00000434,from=<>

that are being successfully delivered offsite (all spam). Any hints how I can prevent this kind of spam mail getting through ?

Use a blacklist that lists backscatter generators.