On Nov 20, 2007 10:52 PM, Steve Holdoway <[EMAIL PROTECTED]> wrote: > All headers bar the last one can be extremely simply faked, so they are > pretty useless to use to identify the email's provenance. Because of this, > some ISPs are clamping down on this. The Sender Policy Framework ( eg > http://www.openspf.org/ ) is an attempt to cut down on spam. This defines > where an email has to be sent from to be treated as valid.
Surely SPF doesn't cut down on spam, it merely cuts down on address spoofing? Admittedly a lot of spam uses spoofed addresses at the moment ... but there's not a direct relationship _per se_ between an address-spoofed message and a spam message ... -jim
