To expand on the Unified SPF concept shown at
http://spf.pobox.com/slides/unified%20spf/
Mark and I drafted a set of IDs this afternoon.
http://spf.pobox.com/unified/protocol.txt is the spf_test() function factored
out and described separately
http://spf.pobox.com/unified/unified.txt shows how the following four tests
work together
http://spf.pobox.com/unified/ptr.txt the SPF/PTR test offers MTAMark
semantics.
http://spf.pobox.com/unified/helo.txt the SPF/HELO test offers CSV
semantics.
http://spf.pobox.com/unified/mailfrom.txt the SPF/MAIL-FROM test offers
SPF-Classic semantics.
http://spf.pobox.com/unified/pra.txt the SPF/PRA test offers
CallerID/SenderID semantics.
http://spf.pobox.com/unified/bestpractices.txt tells people which of the
above four tests they need to actually run
http://spf.pobox.com/unified/xml.txt describes the XML extensions to SPF
which is our upgrade path.
http://spf.pobox.com/unified/rationale-4.txt contains some text that
overflowed from the others above.
Comments are welcome. Everything's pretty raw so patches
are welcome --- everything from spelling corrections on up.
cheers
meng