• 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.

Question About mail send!..

erduscuk

New Pleskian
Hi
I have a physical server.
Installed with Plesk control panel.
There are 14 hosting.
Domains in the server can send emails to them.
I can get an email from everywhere. (Other IP and domain names, gmail, hotmail, yahoo etc.)
But I can not send emails to other domains.

Sample :
My Server
--- a.com: Can receive emails from b.com and c.com. Only b.com can send an email.
---b.com: can receive email from a.com and c.com. Only a.com can send an email.

Other Server
-c.com: a.com and b.com can send an email. But it does not get email from a.com and b.com.
 
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