Ubuntu Mail server : Postfix+Courier+SquirrelMail

This is instruction from me, if you want to setup mail server and use IMAP Server on Ubuntu or Debian and access the e-mail from SquirrelMail web-base. It’s work for me.

My system

• Ubuntu Server 9.04

1. Install Postfix mail transfer agent

aptitude install postfix

2. Install Courier imap

aptitude install courier-imap courier-imap-ssl

3. Install Apache and PHP5 for website

aptitude install apache2 libapache2-mod-php5

4. Install SquirrelMail for webmail access

aptitude install squirrelmail

5. Configuration of SquirrelMail

squirrelmail-config

6. Configuration your server and software for IMAP

1 (config your Organization name)
2->A->8 ->courier (config your server setting)

7. Attach SquirrelMail to Apache2

cp /etc/squirrelmail/apache.conf /etc/apache2/sites-available/squirrelmail

8. Enable Squirrelmail

a2ensite squirrelmail

9. Restart Apache2

invoke-rc.d apache2 restart

10. Connect to SquirrelMail

http://yourserver/squirrelmail

If you want to access the SquirrelMail via SSL (https://yourserver) the instruction below explain how to make it.

11. Create directory for stored certificate file

mkdir /etc/apache2/ssl

12. Create certificate file name apache2.pem

make-ssl-cert /usr/share/ssl-cert/ssleay.cnf /etc/apache2/ssl/apache2.pem

13. Enable mod SSL

a2enmod ssl

14. Create file for virtualsite in apache2

nano /etc/apache2/site-available/squirrelmail-ssl

[html]
<IfModule mod_ssl.c>
<VirtualHost *:443>
DocumentRoot /usr/share/squirrelmail
SSLEngine on
SSLCertificateFile /etc/apache2/ssl/apache2.pem
<Directory /usr/share/squirrelmail>
Options Indexes FollowSymLinks
<IfModule mod_php4.c>
php_flag register_globals off
</IfModule>
<IfModule mod_php5.c>
php_flag register_globals off
</IfModule>
<IfModule mod_dir.c>
DirectoryIndex index.php
</IfModule>
<Files configtest.php>
order deny,allow
deny from all
allow from 127.0.0.1
</Files>
</Directory>
</VirtualHost>
</Ifmodule>
[/html]

15. Enable site SquirrelMail with SSL

a2ensite squirrelmail-ssl

16. Restart Apache2

invoke-rc.d apache2 restart