If you were looking for something specific you probably got redirected here from an old link to my (now gone) drupal blog. I migrated all the pages & blog entries to this blog, so just use the search here to find what you were looking for.
So I got this error when trying to run trytond_import_countries and trytond_import_currencies ..
So I set up my Univention Corporate Server as Mail server (Dovecot, postfix) .. which worked just fine, but a few things to take note of:
After having some issues with the amount of DB queries / connections I decided to try redis for file locking with nextcloud.
So I had the problem that for some reason I couldn'T send emails anymore ..
So to avoid having to add (more) pinhole NAT or similar I was looking into adding a responce-policy zone to UCS. Looking around for a while I did not find a way to do this with the admin interfaces or ucr.