- Plesk for Linux
Note: This article has the reference to the issue with the fix available:
"Under specific circumstances, uninstalling postfix mailserver resulted in removing basic Plesk packages."
- Plesk Onyx 17.5.3 Update 18 14 August 2017 (Linux)
Plesk packages removed on removing postfix SMTP server or switching to 'MSMTP Relay' on Debian/Ubuntu OS.
Plesk product bug #PPPM-6091
Install Plesk package by following instructions in the article: How to Install Plesk for Linux