Dealing with forged return addresses hitting my domains?

Kimball Larsen kimball at
Fri Apr 21 09:18:31 MDT 2006

On Apr 21, 2006, at 9:07 AM, Jeff Schroeder wrote:

> Kimball asked:
>> In investigating what to do about it, I have run across a few
>> different approaches, and wanted to get an opinion from PLUG on what
>> is the Right Way.
> I, too, have been getting hammered with lots of bounces from spoofed
> messages using my domain(s).  Unfortunately, I don't know if either of
> the things you proposed (SPF and Domain Keys) would make a difference
> here.  The bounce messages are coming from the poor recipients of the
> spam, and at that point the message has already been bounced-- SPF and
> DK are really intended to "validate" legitimate messages.  If the
> receiving mail servers were using them, you wouldn't be seeing the
> bounces because they would have already blocked/filtered the spam.

This being said, should I simply configure my mail server to send all  
these sorts of messages to /dev/null?  What implications arise from  
doing that?  Will my domain wind up blacklisted as a spammer if I  
simply bury my head in the sand and ignore the problem?

-- Kimball 

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