Johann Spies wrote: > I don't want to use SPF and don't want to start a flame war on it > (again) but I want to stop backscatter-spam. > > I came across a document > (http://psg.com/%7Ebrian/software/authbounce/configure-authbounce.txt) > using an acl: check_bounce_key to counter the problem of > backscatter-spam. > > The theory makes sense to me. > Are any of you using this technique? > What are the pitfalls? > Would you recommend it? >
I think this one: http://www.slett.net/spam-filtering-for-mx/exim-sign.html is a safer bet, because the one you quoted requires remote MTA to comply with some rules. I use this technique on about 25 servers and nearly never had a problem.
smime.p7s
Description: S/MIME Cryptographic Signature
-- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
