On Wed, Nov 08, 2006 at 07:19:44PM +0200 or thereabouts, Alin Nastac wrote: > I say we should have +all (SPF-capable MTAs will consider any IP address > as authorized to send mail on behalf of g.o - equivalent with "Message > source OK").
this interpretation is correct. > He says we should have ?all (when another SPF-capable MTA will check the > my IP address, it will take my message with a grain of salt - equivalent > with "Message source unknown"). this interpretation is not correct. What you are describing is ~all, not ?all. ?all instructs the MTA to make no interpretation at all related to a failure. In other words, do not add or subtract any salt whatsoever.[1] ~all tells the MTA to add some salt.[2] --kurt [1] http://new.openspf.org/RFC_4408#op-result-neutral [2] http://new.openspf.org/RFC_4408#op-result-softfail
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