On Mon, 2009-01-26 at 16:54 -0600, Grant Taylor wrote: > It will be *VERY* difficult for me to spoof an SMTP envelope sender for > Microsoft with out SPF filters (and the likes) detecting it and acting > accordingly.
My experience with SPF is that it's not at this point widely enough deployed so that it can reliably be used as an accept/reject filtering criterion. I tried to do it at one point on my mail servers and got flack right away from customers who couldn't get their legitimate email :-( -- Lindsay Haisley | "We are all broken | PGP public key FMP Computer Services | toasters, but we | available at 512-259-1190 | still manage to make |<http://pubkeys.fmp.com> http://www.fmp.com | toast" | | (Cheryl Dehut) | ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org http://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://wiki.list.org/x/AgA3 Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: http://mail.python.org/mailman/options/mailman-users/archive%40jab.org Security Policy: http://wiki.list.org/x/QIA9