>I am having a problem because of fake from addresses. People are using
>addresses from my domain as their reply to and the from addresses. So
>what is happening is that I have users getting 75 - 100 messages a day
>from other systems saying the to address they are sending to is invalid
>etc even though they never sent the message. I do not think they are
>actually relaying through my server, but I am trying to determine a way
>to block these rejection messages without blocking all rejection
>notices. Anyone have any ideas.
Do they always use the same From: address(es)? When a spammer was doing
this with one of our domains, he used about a dozen different fake return
addresses on the domain, so the bounce messages could have been blocked
fairly easily.
-Scott
---
Declude: Anti-virus, Anti-spam and Anti-hijacking solutions for
IMail. http://www.declude.com
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