esackbauer Sorry for the confusion. This has nothing to do with email, it’s just 2 different subdomains. I go to email.example.com to access mailcow, and webmail.example.com to access SOGo.
Also, I guess another way that my desired setup could be achieved is if mailcow properly redirects you to your original URL after login. Because the webmail subdomain simply redirects / to /SOGo/, as long as mailcow keeps track of the fact that I originally navigated to /SOGo/ before being redirected for login, then it can just send me back there after login is complete, regardless of the host the server sees.