• 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 stays in Queue

Peter_Hartmann

New Pleskian
I am relatively new in Plesk and have some problems with mail not being sent properly.
On the server, there is installed a WordPress installation. Mail from this WordPress installation never reaches for example suscribers. Almost all mail remains in the Queue and will be deleted after 7 days. Could it be because I do not have an SSL Certificate? Hope you can help.

I use:

Plesk 11.5
CentOS 6.6
postfix
 
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