Does anybody have any experience getting AT&T to actually do that?


Frankster wrote:
> Short answer to your last question... your ISP.
>
> The PTR is done by whomever you obtained the static IP from. They "own" it
> and should either configure the reverse lookup for you, or provide you with
> an interface so you can do it yourself.
>
> -Frank
>
>
> <bjriffel@hotmail.com> wrote in message
> news:1168010399.652483.221620@s80g2000cwa.googlegr oups.com...
> > Hello,
> >
> > I've done some searching in the groups, but I'd like to pose a specific
> > scenario. We are getting these errors:
> >
> > #4.7.1 smtp;450 4.7.1 Client host rejected: cannot find your reverse
> > hostname,
> >
> >
> > This is the situation. Our domain name is registered with network
> > solutions. Our website is hosted with Yahoo on a business account.
> > Yahoo used to host our email as well. Recently we put in a local SBS
> > 2003 server to host our Exchange locally. Originally our Network
> > solutions account had all DNS pointing to Yahoo's name servers, as it
> > should have. We wanted to switch the MX record to point to our static
> > IP on our T-1 for our new server. However, we can't have the www
> > address point to a single IP with Yahoo. Yahoo requires that we just
> > redirect Network Solutions DNS to them. So we reverted all DNS back to
> > Yahoo.
> >
> > Now Yahoo has static entries for www and mail .domain.com pointing to
> > internal yahoo server, which we can't change. We added a record for
> > our mail server: server.domain.com and pointed it to our static
> > external IP address. We also created an MX record for
> > server.domain.com. Email started flowing in as expected.
> >
> > However now some email systems, most notably AOL and Comcast, are
> > resolving our name it seems. We are getting the message I posted
> > above. Many of the postings I've read say that we need to add a PTR
> > record for our mail server. Is that on our local internal DNS or on an
> > external? If it is external DNS, then whos? Our ISP (AT&T) or on
> > Yahoo?
> >
> > Thank you,
> > Brandon Riffel
> >