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
Horde use its own php.ini in the virtual directory "webmail". After a update to 8.1.1 the open_basedir was set to <vhosts>.
This causes the issus that you can´t sent an Attachment via Horde.
Disable this section and then it will works fine.