Guys, please always check with external tools as well. That is also recommended in the documentation… Don’t check the system only from within the system.
Ok, so I did what I asked you to do, and with your MX record setup, all mail goes to gmail instead to mailcow:
https://mxtoolbox.com/SuperTool.aspx?action=mx%3asoarx.tech&run=toolpage
Also, if you just changed records, please consider the TTL and give the DNS servers time to replicate. They are not active immediately. DNS 1×1…
SimplyHumanic I didn’t add that antivirus thing, so that would save my ram
SOGo and Solr are also RAM eaters, especially if you will use ActiveSync.