Follow along with the video below to see how to install our site as a web app on your home screen.
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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.
After endless searches I learned that messages are held in quarantine. I contacted a recipient and they confirmed and released those messages. They will contact their IT/admin to whitelist the sending domain.
You can learn more about quarantined messages here: Find and release quarantined...
The problem is on the recipient's side, not with Plesk. We are having a similar issue sending to Outlook 365 users. We get a response that messages have been received and queued, but recipients do not receive:
_accepted_message./Remote_host_said:_250_2.6.0 - this indicates received and queued...