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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: AOL rejecting mail from IP's w/o reverse DNS?
> > You mean like Level3? > Well,... proxying (in any shape) should, hopefully, not happen prior to having a decent downstream trust relation onboard... (?)... mh > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of > Steven M. Bellovin > Sent: Wednesday, December 03, 2003 2:27 PM > To: Matthew Crocker > Cc: Christopher X. Candreva; [email protected] > Subject: Re: AOL rejecting mail from IP's w/o reverse DNS ? > > > > In message <[email protected]>, Matthew > Crocker > > >> > > > >AOL says the PTR record needs to be assigned. It doesn't specify it > >has to match the @domain.com in the MAIL FROM: header. Wouldn't it be > >enough to make sure every IP address you announce has a PTR and > >matching A record? Hasn't this been a requirement for MANY services > >for MANY years? > > > Right -- and then folks will start creating wildcard PTR records... > > > --Steve Bellovin, http://www.research.att.com/~smb > > > > -- > David Temkin > >
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