Mail groups are internal mailing lists. They allow you to forward a single email to several email addresses you have set up at your domain. For example, you could use a mail group to forward \n support@mydomain.comThis e-mail address is being protected from spambots. You need JavaScript enabled to view it to \n bob@mydomain.comThis e-mail address is being protected from spambots. You need JavaScript enabled to view it , \n sue@mydomain.comThis e-mail address is being protected from spambots. You need JavaScript enabled to view it , and \n joe@mydomain.comThis e-mail address is being protected from spambots. You need JavaScript enabled to view it