On Wed, 12 Jan 2005 19:19:24 PST, Dave Crocker said: > On Wed, 12 Jan 2005 17:40:10 -0500, [EMAIL PROTECTED] wrote: > > > 1) any legitimate mail source MUST have valid, functioning, non-generic > > > rDNS indicating that it is a mail server or source. > > > > And how, exactly, does it indicate it's a mail server or source? > > In general, that's what dkeys/iim and csv (and maybe spf) are attempting to > provide.
Yes, but he asked for a rDNS solution specifically...
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