Webmail interface
From Oxxus Wiki
As most users will require to have their emails managed by some email client, Outlook for example, some of them will require just a web interface for accessing their inboxes.
This service is provided with webmail application. Most commonly used ones are SquirrelMail, php webmail applicaton.
Installation is easy, and requires automatic package installer, yum for RedHat, Centos or Fedora, and apt-get for Ubuntu or Debian.
For yum, installation is:
yum install squirrelmail
...and for apt-get is:
apt-get install squirrelmail
Once it's installed, Apache web server needs a restart in order to pick up new alias setting that came with SquirrelMail.
After Apache restart, go to www.YOUR_DOMAIN/webmail and webmail login screen will appear.
SquirrelMail is PHP application which relies to IMAP protocol so accessing email inboxes and emails within won't retrieve emails to local computer, like pop3 protocol does.
All actions like new, or sent emails, erased ones and etc, will remain in their corresponding folders. There are some settings that every user will be able to commit from Options menu at top of web page.