Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature currently requires accessing the site using the built-in Safari browser.
If you are still using CentOS 7.9, it's time to convert to Alma 8 with the free centos2alma tool by Plesk or Plesk Migrator. Please let us know your experiences or concerns in this thread: CentOS2Alma discussion
I had a similar issue with sendmail not working after upgrading from 11.5.0 to 12.0.18 whilst using Postfix as mail client.
Nothing I tried fixed the problem (something about HELO = localhost being wrong) - command rejected error...
Since it was getting critical, I installed Qmail instead...