Hamish writes: > On Wednesday 28 June 2006 08:48, Ralf Hildebrandt wrote: > > * [EMAIL PROTECTED] <[EMAIL PROTECTED]>: > > > Given that airline messages are important, are related to meney, and > > > recipients dont want to get forged ones, it would be a great idea to > > > start a campaign with airlines / travel agents to use some sort of > > > proof of origin (spf, digital signature, whatnot) Recipients could then > > > apply whitelists > > > > Amen to that! > > Does SA do anything with digital signatures to deduct scores? If it's > worthwhile, I'm game to play.
It allows us (and third parties, and individual site admins) to reliably whitelist sources safely. See 'rules/60_whitelist_spf.cf', e.g.: def_whitelist_from_spf [EMAIL PROTECTED] --j.