What is SquirrelMail in Linux?
Squirrelmail is a standards based webmail package which allows the users to access their mails through web browser instead of any mail clients. ... In this tutorial, I imagine you have a Linux server with Apache/PHP web server support, exim mail server (SMTP) and an IMAP server (UW IMAP in our case).
How do I add users to SquirrelMail?
There's no such thing as adding a SquirrelMail user; what you need to do is to add users to the IMAP server. This would open a whole new (and unwanted) batch of security issues. One of those issues is giving your web server administrative access to your e-mail system.