forged return path question

[Neil Herber]

Some Russian spammer (well, someone sending spam to Russia) is using 
my primary email address as the forged return path on their junk. As 
a result I am getting bounces coming from Russian mail servers. Is 
there any way I can bounce them?

Note that I already have *.ru routed to ERROR, but the return path on 
the bounces is empty, as in <>, so the mail gets through.

I suppose I could blacklist the servers as I identify them or just 
resort to the shotgun approach and use the russia.blackholes.us 
RBLDNS.

All comments appreciated.

--
Neil
Neil Herber
Corporate info at http://www.eton.ca/
Eton Systems, 15 Pinepoint Drive, Nepean, ON, Canada K2H 6B1
Tel: (613) 829-4668
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