• Сервис MySQL
• Настройка MTA на релеинг почты на основе аутентификации

# apt install roundcube

# cat /var/lib/roundcube/config/config.inc.php

...
$config['default_host'] = 'localhost';
$rcmail_config['mail_domain'] = 'corpX.un';
...

# cat /etc/apache2/conf-enabled/roundcube.conf

...
     Alias /mail /var/lib/roundcube
...

• Internationalization
• Сервис HTTP, управление модулями http сервера (Модуль php)

[server:~] # pkg install squirrelmail

[server:~] # cd /usr/local/www/squirrelmail && ./configure

“2. Server Settings” → “1. Domain” → corpX.un

“3. Folder Defaults”

“10. Languages” → “1. Default Language” → ru_UA

[server:~] # cat /usr/local/etc/apache2?/httpd.conf

...
<IfModule alias_module>

    Alias /mail /usr/local/www/squirrelmail
    <Directory /usr/local/www/squirrelmail>
         Require all granted
    </Directory>
...

• Локализация окружения

root@server:~# apt install squirrelmail

root@server:~# /usr/sbin/squirrelmail-configure

“2. Server Settings” → “1. Domain” → corpX.un

“3. Folder Defaults”

“10. Languages” → “1. Default Language” → ru_RU

root@server:~# cat /etc/apache2/sites-available/*default.conf

...
     Alias /mail /usr/share/squirrelmail
...

# cd /usr/ports/mail/openwebmail

# make install clean

# wget http://openwebmail.org/openwebmail/download/debian/owm2.53-2.deb

# dpkg -i owm2.53-2.deb

# apt-get install openwebmail

# apt-get -f install

Проверка:

http://server.corpX.un/cgi-bin/openwebmail/openwebmail.pl