If I have users go to https://www.<theirdomain?:81/phpmyadmin/index.php they can login fine and the domain name doesn't change and everything is fine. but if they just go to https://www.<theirdomain?:81/phpmyadmin they get redirected to the machines hostname https://<myhostname>:81/phpmyadmin. They can still log in fine, but I don't want them being redirected from the site? How do I fix this issue?
The correct login for phpmyadmin is: https://<myhostname>:81/phpmyadmin and not the domain of a customer.
