On Wed, Jan 20, 2010 at 6:40 PM, theju <[email protected]> wrote:
> > > Hi, > Recently I set up a mail server (postfix with mail forwarding done by > procmail) and the installation went fine without any hitch. I added SPF > records for the domain and things seemed fine till there was a huge delay in > the receiving of mails. > > While I checked the mail logs, I saw a warning from gmail mentioning that > it had received lots of unsolicited email from our domain and hence were > temporarily blocking us. There was around 30 emails an hour sent and all > were legitimate. The server passed all relay block tests (not acting as an > open relay) but somehow the error. So I googled around and found that the > reverse dns lookup was failing [1]. I tried to read up stuff on how reverse > DNS works and my brain started oozing out of the nose! After struggling for > a long time, I managed to figure out that a PTR record is required for the > reverse DNS lookup. I couldn't figure out how to add this through the domain > registrar admin panel. I couldn't find it anywhere on the registrar admin > panel. How do we add a PTR record for an IP without actually running a DNS > server? > Which host are you using? If you added SPF record, you should be able to add PTR as well. At least I could with Slicehost. -- Bipin Upadhyay http://projectbee.org/ [SNIPPED] [Non-text portions of this message have been removed]
