Am 09.07.2010 12:35, schrieb Administrator Beckspaced.com:
>  hello there,
> 
> i'm running a postfix 2.4.6 on a opensuse box.
> postfix has amawis-new with spamassasin installed ...
> 
> since a few weeks one of my email accounts gets bombarded with thousands
> of SPAM mailer daemon error bounces.
> could not deliver message ... bla bla bla ...
> 
> it's getting really annoying as there are thousands of error bounces
> coming in every single day.
> 
> looks like that the email address ended up on some SPAM mailing lists
> ... adn now the mailbox receives all this error message junk
> 
> so ... what's the best strategy to get rid off this problem?
> 
> already had a quick look ... and the error bounces come in with an empty
> <> from address ...
> which seems to be standard for this ... and by default postfix doesn't
> block empty from addresses <>
> 
> so what's the best thing to do to get rid of those thousand error email
> bounces?
> 
> thing is that the customer urgently needs this email account as it is
> signed up at many service providers.
> 
> could i do a header check for this single email account and reject the
> empty from address <> for that email account only?
> what are my options? what's the smartest thing to do??
> 
> thanks a lot for your help & service
> 
> with best regards
> becki
> 

 if it always the same host sending backscatter
simple block the host by access list and/or firewall

lets see some logs, there are many way to deal with backscatter

-- 
Best Regards

MfG Robert Schetterer

Germany/Munich/Bavaria

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