Link to home
Start Free TrialLog in
Avatar of centem
centemFlag for United States of America

asked on

Cannot resolve PTR record for x.x.x.x

greetings,
I'm getting the following error when sending to only a couple of recipients

"You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            <xyz.123.com#5.7.1 smtp;550 5.7.1 Access denied. Cannot resolve PTR record for x.x.x.x>"

The server name and IPs have been changed for security reasons.

can someone guide me on where to start in troublshooting this issue. We are waiting for a real email admin to start soon and I'm just covering till then. Thank you.
Avatar of Alan Hardisty
Alan Hardisty
Flag of United Kingdom of Great Britain and Northern Ireland image

Avatar of centem

ASKER

I read your article and it was helpful. It appears that our mail server is setup correctly. There are only two email addresses that our users reported to have this issue. We can send email just fine to everyone else.

Are there some dns checking I can do from our email server to test that resolution to their mail server is correct?
ASKER CERTIFIED SOLUTION
Avatar of Alan Hardisty
Alan Hardisty
Flag of United Kingdom of Great Britain and Northern Ireland image

Link to home
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Start Free Trial
SOLUTION
Link to home
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Start Free Trial