Assume or allow @the-domain.com for :10000 logins

Help! (Home for newbies)
1

I updated Webmin to 2.510 and Virtualmin to 7.40.1. Has allowing or assuming @the-domain.com for :10000 logins been implemented yet? If so how do I turn it on?

https://forum.virtualmin.com/t/can-i-change-where-how-extra-admins-are-stored-to-avoid-duplicates/134571/4

Thanks.

Ron

SYSTEM INFORMATION
OS type and version Ubuntu 24.04.3
Virtualmin version 7.40.1