Providing email services to your customers or even your own company is an import part of communication. Also, it is important to brand your service and this way also adds some additional trust for your users. Roundcube Support pleases admins to customize their installation, so the people don’t contact Roundcube project for support.
Select the right skin Selecting the right skin for your users is a hard task. Even if the webmail services you provide, are only for one company.