I have now created a IONOS domain
Tested the email address I use for Nextcloud Administrator login
OK all green
In User Additional settings, I put in this email and password
Here in Admin additional settings, I have tried all 3 Options
But when I want to log in to Snappy with this mail address, I get this:
What has now to be setup – where?
To be able to log in into Snappy with this email.