Under shared hosting, clients access their webmail through http://www.yourdomain.com/webmail which will then redirect to https://www.yourdomain.com:2096/ or etc port number that configured by hosting company.
Questions.
1. How to create URL http://www.yourdomain.com/mywebmail that covers every add-on domains since we cannot modify default Webmail logon page? (under shared hosting plan)
2. Your suggestion if we use subdomain, eg. http://webmail.yourdomain.com, shows up customize HTML form, then post to Webmail.
Logon Webmail from self coded form, Customize default Webmail logon page