• The APS Catalog has been deprecated and removed from all Plesk Obsidian versions.
    Applications already installed from the APS Catalog will continue working. However, Plesk will no longer provide support for APS applications.
  • Please be aware: with the Plesk Obsidian 18.0.78 release, the support for the ngx_pagespeed.so module will be deprecated and removed from the sw-nginx package.

Mail Delivery failing on one server only

C

coolemail

Basic Pleskian
Please can someone help. We have two servers both with:
OS Linux 2.6.32.28-1.art.x86_64
Panel version 10.2.0

On one, we are able to send emails to [email protected]
On the other one, it fails with:
Jun 16 21:45:50 plesk3 qmail: 1308257150.872860 starting delivery 1581: msg 105971977 to remote [email protected]
Jun 16 21:45:50 plesk3 qmail: 1308257150.915956 delivery 1581: failure: Sorry,_I_couldn't_find_a_mail_exchanger_or_IP_address._(#5.4.4)/
Click to expand...

Can someone tell me what setting will allow these emails to go through?

Many thanks in advance.
 
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