{{Code|mailx -s Welcome me@bar.com < /var/hda/web-apps/webmail/html/patch/welcome.txt}}

* For every domain supported, the following either need to be added as users or forwarded. Without them a site MAY end up on various spam block lists:

* Some ISPs block port 25 for mail. Thus a remote user would be able to retrieve mail, but not send mail. To accommodate this, port 587 is used by email clients for sending mail.

*# To enable port 587, edit /etc/postfix/master.cf and uncomment the line starting with "# submission"