After upgrading to the latest i-MSCP Version my External Mail Servers where not activated, so I activated them but I get the following Message when sending Emails to the external Domain:
Diagnostic-Code: X-Postfix; mail for myexternalcomain.de loops back to myself
So I tried to add a csutom dns record thinking this might solve the issue. Then I noticed that when adding a record with an external Host name, the Domain "mydomain.com" gets appended to the end of the Host:
Should be: customer-de.mail.protection.outlook.com.
Turns to: customer-de.mail.protection.outlook.com.mydomain.com.
Is this a bug? I thought it should only append the domain if its not FQDN.