RE: AOL rejecting mail from IP's w/o reverse DNS?

["Michael Hallgren" <m.hallgren () free fr>]

> 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: owner-nanog () merit edu [mailto:owner-nanog () merit edu] On Behalf Of
> Steven M. Bellovin
> Sent: Wednesday, December 03, 2003 2:27 PM
> To: Matthew Crocker
> Cc: Christopher X. Candreva; nanog () nanog org
> Subject: Re: AOL rejecting mail from IP's w/o reverse DNS ?
>
>
>
> In message <01D22399-25C5-11D8-940C-000A956885D4 () crocker com>, 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