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 just found the problem, I had modsecurity activated with the free comodo rules, I deactivated it and the problem was solved, confirm to me if that solution works for you.
Exactly the same thing happens to me, but I discovered that it is a problem of the first blank line when you make a reply or a forwarding, if you delete it the email works even with html format, however if you reply without deleting that line you can neither save as a draft nor send the mail...