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Old 01-14-2004, 05:38 PM   #2
Andy
 
Posts: n/a
Re: Spammers breaking SMTP connections to send SPAM ?


> It's trivial to prevent this: Do not allow "<>" to send mail to

"postmaster".
> Unless you actually send out e-mail from your "postmaster" address,

there's
> absolutely no reason mail from "<>" should ever go to that address.
>
> I do this on my domain (in fact, I do it for _all_ our receive-only
> addresses like "info@", "sales@", etc.). The only thing it breaks is
> a stupid SourceForge filter that insists on checking if
> "postmaster@roaringpenguin.com" exists, using "<>" as the sender
> address.
>
> To get around that bit of idiocy, I bounce mail from "<>" to "postmaster"
> after the end of the DATA phase. All the others get rejected at
> RCPT time.
>
> --
> David.


Interesting! How are you doing this?

bfons


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