• http://www.debianadmin.com/debian-mail-server-setup-with-postfix-dovecot-sasl-squirrel-mail.html
• http://www.adomas.org/2006/08/postfix-dovecot/
• http://wiki.dovecot.org/HowTo
  • http://wiki.dovecot.org/VirtualUsers
  • http://wiki.dovecot.org/HowTo/DovecotLDAPostfixAdminMySQL (MySQL)
• http://wiki.debian.org/Postfix
• http://www.howtoforge.com/perfect-server-debian-squeeze-ispconfig-2
• http://howtoforge.org/virtual-users-domains-postfix-courier-mysql-squirrelmail-debian-lenny
• https://help.ubuntu.com/community/PostfixBasicSetupHowto
• http://wiki.debian.org/Postfix
• http://en.wikipedia.org/wiki/Anti-spam_techniques
• http://www.szszi.hu/wiki?action=browse;id=Levelez%C5%91_szolg%C3%A1ltat%C3%A1s_Linux_alatt;revision=2

• http://postfixadmin.sourceforge.net/ (Postfix admin webfelületen)
• http://sumitrishu.hubpages.com/hub/Email-Server-Virtual-Domain-with-Mysql
• http://www.1a-centosserver.com/centos_linux_mail_server/centos-postfix-postfixadmin-devocot-vmail-step-by-step-guide-part3.php

Levelező kliensek

• http://portableapps.com/apps/internet/thunderbird_portable (Portolható Thunderbird)
• http://www.pmail.com/ (Pegasus Mail)
• http://www.ch-software.de/popman/ (PopMan)

Spamassassin:

• https://spamassassin.apache.org/gtube/ (teszt e-mail)
• http://perldoc.perl.org/Net/SMTP.html (teszt e-mailhez script)