After updating Virtualmin Pro to the latest version 3.21 via "yum update wbm-virtual-server", I get the following error message:
"Mail server Postfix is installed and configured. However, the username format on the server templates page is set to username@domain, is not supported by Postfix."
When I do a "Recheck Config" via Virtualmin after the update, I get the same error message + ".. your system is not ready for use by Virtualmin."
I seem to remember that username@domain format wasn't a problem before. What had happened since?
In any case, how can I rectify this problem? And if I have already created usernames using username@domain format, what can I do/ what are my options?
Many thanks, mate.