You will always have access your webmail on your own domain, for example you will be able to go to https://webmail.mhdemo.se/ , where you just change mhdemo.se to your own domain.

Written by shkumbin bunjaku
Updated this weekYou will always have access your webmail on your own domain, for example you will be able to go to https://webmail.mhdemo.se/ , where you just change mhdemo.se to your own domain.