John Levine <jo...@taugh.com> wrote: > >Do we know whether typical PTR checks look for existence or matching? > > The ones I know all look for matching.
My understanding is that mail servers will often just do existence checks because the matching check causes too much trouble for legitimate mail. (My servers don't enforce these checks so I don't have first-hand experience.) Tony. -- f.anthony.n.finch <d...@dotat.at> http://dotat.at/ Southeast Iceland: Cyclonic 5 or 6, becoming northerly gale 8 to storm 10 later. Rough becoming very rough or high. Occasional rain. Moderate or poor. _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
