> At 06:04 PM 3/17/2005, you wrote: > > > I have a customer who swears we have our reverse DNS set up > > > wrong.....at dnsstuff.com we pass every test...except the > > > DNS timing test. If you put our customers domain (aclc.org) > > > into the box > > > and select PTR it says our DNS server reports > > > no PTR records (even though it is authoritive for our > subnets). Many > > > domains I put in this test fail (even very well known ones). > > > We pass every other test on there with RDNS reporting > > > correctly. only one > > > domain is reporting they can't get email from our server > > > and that domain is dibu.com . Can anyone help with this? > > > Thanks...Gary > > > >Not sure what you are asking. Are clients from dibu.com using > >comsec.net to send there email? > >http://www.dnsstuff.com/tools/ptr.ch?ip=dibu.com reports that there > >isn't any ptr records for dibu.com. If dibu.com is one of > your hosted > >email domains then I would think they too would need there ptr/sfp > >records established. AOL will no longer accept mail to them from > >servers without a valid ptr record. > > No, our customers are aclc.org. They are having problems sending to > dibu.com .
Anything in your logs? Any bounced messages from dibu.com?
Only this:
Delivery failed 20 attempts: [EMAIL PROTECTED]
SMTP connection faile
I think there may be something wrong with the DNS Timing Test at dnsstuff.com... we pass every test...except the
DNS timing PTR test. It looks like your domain fails as well (jaray.net). dibu.com is using an IMail server and I believe
the Norton/Symantec anti spam,,,,,this may be the problem.
Sorry not much help,
~Rick
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