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09-13-2008, 01:22 PM   #1
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jeffski's Avatar

Join Date: Sep 2008
Location: Brisbane, Australia
Posts: 8
Email rejected because you do not have reverse DNS PTR record

Hi,
My original sign up email got rejected - it's to do with not having a reverse DNS (PTR) record set up for your IP address/domain name. Your hosting company should be able to sort this for you - I would guess quite a lot of emails sent by your server will get rejected with out this set up properly.

From my servers mail log files:

warning: 74.86.234.122: address not listed for hostname pentaxforums.com
connect from unknown[74.86.234.122]
NOQUEUE: reject: RCPT from unknown[74.86.234.122]: 450 4.7.1 Client host rejected: cannot find your hostname, [74.86.234.122]; from=<webmaster@pentaxforums.com> to=<me@mydomain.com> proto=ESMTP helo=<pf01.pentaxforums.com>
disconnect from unknown[74.86.234.122]

I had to remove the rule to allow it but would prefer to put it back as its commonly used by spammers.

09-14-2008, 12:17 AM   #2
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Adam's Avatar

Join Date: Sep 2006
Location: Arizona
Photos: Gallery | Albums
Posts: 51,584
I didn't configure any new DNS settings when I switched servers back in May, so I'll have a look tomorrow. Thanks for bringing this up.

Adam
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