[FoRK] Yet another Anti-Spam idea

Justin Mason jm at jmason.org
Tue Mar 22 10:26:23 PST 2005


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1


Ian Andrew Bell writes:
> On 22-Mar-05, at 9:33 AM, Justin Mason wrote:
> 
> > Here's a question.  Is all that auto-generated blowback sent to my 
> > address
> > despite my having nothing to do with the spamming, in itself spam? if 
> > not,
> > what is it?
> 
> It is.  And SA needs a ruleset for blowback messages as well.  But how 
> to exclude LEGIT blowback messages?  Or must we always assume that any 
> email we send gets received, like the Pony Express?

There is a way -- look for your outgoing SMTP server's IP addresses
in the bounced message's Received headers.  unfortunately that doesn't
deal with a lot of the bounces which don't actually *bounce* the 
damn original message!

There's also a SpamAssassin ruleset -- look for "vbounce.cf".

- --j.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.5 (GNU/Linux)
Comment: Exmh CVS

iD8DBQFCQGNPMJF5cimLx9ARAsz3AJ9p1bxnMeqo2LbMlm+fwPJDPgX4swCgn1JV
M3XLKXurGVguZH+B4gvbZJg=
=tW50
-----END PGP SIGNATURE-----



More information about the FoRK mailing list