Mail Applications
SquirrelMail
SquirrelMail is the poor man's Hotmail/Yahoo!/whatever. You can read your email through a website.
Underneath the hood, SquirrelMail will be talking to your IMAP server in a normal IMAP client kind of fashion. All we probably want to do it set the webserver up to push any http connections to SquirrelMail over to an https connection.
Installing
SquirrelMail is a PHP application and installs in-situ. All you need do is point your webserver at it.
Configuring
Configuring SquirrelMail is a bit more fun! We're going to configure SquirrelMail itself and the webserver that points to it.
SquirrelMail Setup
We need to create some directories for SquirrelMail to manage user preferences and outgoing attachments. These should be outside of the SquirrelMail tree and owned by the web server user:
cd /var
mkdir -p squirrelmail/{data,attachments}
chown -R webservd:webservd squirrelmail
chmod 0730 squirrelmail/attachments
Either run:
./configure
which is just a wrapper to:
config/conf.pl
In either case, choose D (to setup IMAP server defaults) then cyrus (assuming you're using Cyrus).
The walk through the configuration settings, the most likely you'll need to change are in
- Server Settings where you'll want to chnage your Domain to your default domain (see the discussion in Mail Applications for more on default (mail) domains).
- General Options where you'll need to change Data Directory and Attachment Directory to /var/squirrelmail/data and /var/squirrelmail/attachments
Then Save and Quit.
Apache2
In both your non-https and https Apache config sections for whatever virtual host you are using, you'll need something like:
Alias /squirrelmail/ /usr/local/squirrelmail-1.4.5/ <Directory /usr/local/squirrelmail-1.4.5> AllowOverride AuthConfig Order allow,deny Allow from all </Directory>
Plus a little redirection glue in the non-https section:
RewriteEngine on RewriteRule ^/squirrelmail/(.*) https://www.example.com/squirrelmail/$1 [R]
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