1. apt-get install postfix dovecot-imapd dovecot-pop3d
2. internet set
3. mail.debian.com
4. nano /etc/postfix/main.cf
home_mailbox = Maildir/ (simpan)
5. cd /etc/skel/
6. maildirmake.dovecot /etc/skel/Maildir
7. dpkg-reconfigure postfix
8. internet site (tetap)
9. Recipient for root ()
10. nano /etc/dovecot/dovecot.conf (Hapus tanda pagar pada tulisan "listen"
11. nano/etc/dovecot/conf.d/10-auth.conf
kita hilangkan tanda pagar di tulisan disable_palintext_auth = yes
13. nano /etc/dovecot/conf.d/10-mail.conf
kita hilangkan tanda pagar di tulisan mail_location = maildir:~/Maildir
dan kasih pagar pada tulisan : mail_location = box:~mail:INBOX=/var/mail/
14. lalu restart
15. apt-get install mariadb-server roundcube
16. nano /etc/roundcube/config.inc.php
17. dpkg-reconfigure roundcube-core
18. nano /etc/apache2/apache2.conf
Include /etc/roundcube/apache2.conf
19. cd /etc/apache2/sites-available
20. touch mail.conf
21. nano mail.conf
22. a2dissite 000-default.conf
<VirtualHost *:80>
ServerName mail.tayip.com
DocumentRoot /usr/share/roundcube
</VirtualHost>