Davide Libenzi wrote: >On Sun, 1 Feb 2004, Shiloh Jennings wrote: > > > >>Actually, I think SPF is a superset of both RMX and DMP. >>http://spf.pobox.com/draft-mengwong-spf.02.9.4.txt >> >>I personally like the simplicity of RMX, but any of the three solutions will >>cut down noticably on spam. >> >> > >The problem with all those new standards is that until a huge number of >servers will starts using them, they are not useful (at least if you do >not want to cut all the traffic from non-conformant sites). > > > SPF is designed in a way that allows a slow migration into it, i.e. if AOL uses it (And they do), and my server can read their TXT records from the DNS, then I will not receive fake messages from [EMAIL PROTECTED] Right now they set the other addresses (i.e. addresses not actually allowed to send from [EMAIL PROTECTED]) to ?, so they don't return "PASS" or "FAIL" but "UNKNOWN", which could help in increasing their spam score in spam filters, etc.
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