Ip name lookup failed sendmail

All the mail servers that send mail on behalf of your domain s need to be listed in the outbound route. To verify if your sending servers are listed open the policy being used: Log on to Forcepoint Cloud Email Security.

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SMTP Relaying denied. IP name lookup failed

Did the information in this article answer your question or resolve your issue? Yes No. Asked 6 years, 7 months ago.

Active 6 years, 7 months ago. Viewed 7k times. When I try to send an email from a different server to a local account on my server I get the following error: Relaying denied.

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IP name possibly forged [W. Z] Here's what I do: user a-different-domain. Connected to subdomain. HELO a-different-domain. Relaying denied.

Relaying denied. IP name lookup failed - Apple Community

Filip Yes, i restarted sendmail. D] mail. HELO remote-server subdomain. Recipient ok So it works for any subdomain except for the one that I'm interested into subdomain. Razvan Razvan 2 2 gold badges 4 4 silver badges 14 14 bronze badges. Please do not remove this comment. D subdomain. AnFi AnFi 5, 1 1 gold badge 8 8 silver badges 25 25 bronze badges. I replied to your comment in my original question.

add route gives target: Host name lookup failure

IP name lookup failed [ Com, the industry leader in DNS and domain mangement solutions. Start Free Trial. Do more with. View Solutions Only.


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Expert of the Year This award recognizes experts who help improve Experts Exchange with their contributions to the site, leadership and mentorship efforts, and set an example within the community. Commented: If they tell you that you need to do this, then unless own the IP addresses which I doubt then they are wrong.

Hmm, well I looked at the testing site and checked my own mail servers.


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  • Outgoing email messages are rejected with a message “Relaying denied. IP name possibly forged”?

I would have been very annoyed if it would have worked since I have relaying blocked on all my servers. That is the error you are seeing--which is the same as what I got. The IP that you are seeing is the IP of the zoneedit server where you are doing the test and your server is rejecting it because it is not an allowed relay server.

Any properly configured mail server should result in the same error: Now, as to the real issue. I have had this issue before.

Relaying Denied

The reverse is done as vjbfw. Rule of thumb is not to use capital letters in a host name. Author Commented: