> > From large providers i sometimes recieve messages through encrypted > > smtp, the header looks smth like this (qmail): > > > > ... with (AES256-SHA encrypted) SMTP; ... > > > > Would it be a good idea to give a minimal negative score on this -0.1 or > > -0.2 if this happens on the last hop? - It proves that the sending smtp > > server is very protocol sane, which spambots are usually not.
On 16.07.07 14:40, Matthias Leisi wrote: > Maybe spambots are not protocol-sane, but (abused) legitimate mailservers > are. Just because a message was delivered through TLS does not indicate > whether it's legitimate or not. we can tell this about any of SA rules ;-) score -0.1 should be OK > According to my experience, the ham/spam ratio over TLS is roughly 50/50 > (which is still better than the ham/spam ratio for non-TLS traffic). so you are actually saying that checking for ssl/tls is good way to score :) -- Matus UHLAR - fantomas, [EMAIL PROTECTED] ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety. -- Benjamin Franklin, 1759