Because I got an error message about relay instantly, I thought it was an issue in thunderbird itself on my computer, but it turns out, the signal went around the world to google servers - or wherever they are - and back.
Now it works for no reason with gmail after having sent an email to mail-tester and having gotten a high score, I sent the same to gmail and it also went through.
Setting the firewall solved sending email from a gmail address to a registered domain in plesk. I also could use Thunderbird.
Receiving mail using gmail does not work.
I use Plesk Obsidian 18.0.65 Update 2 on Ubuntu 22.04.5 LTS.
I try sending email from a registered domain in plesk to a gmail address. It does not arrive.
I try sending email from a gmail address to a registered domain in plesk. It does not arrive.
I try registering an email in Thunderbird...
I have Ubuntu 22.04.3 LTS. I upgraded via dist upgrade, not via the plesk tutorial and now plesk throws errors, how to fix? Here is an abbreviated version
Installation started in background
Auflösung der Paketabhängigkeiten wird geprüft.
Reading package lists...
Building dependency tree...