Error occurs after a fresh Debian installation and the Freedombox installed with the command line given in the documentation.
Problem Description
Running FreedomBox 24.21 and external Email can not be received by the Freedombox > mail is being returned to sender smtp; 554 5.7.1 Relay access denied
checked the DNS settings on the provider
questions >
where to check for corresponding log files what actually causes this behavior
what kind of steps can I undertake to narrow down the cause
Thank you for your help.