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

["Steven M. Bellovin" <smb () research att com>]

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