This work provides starting guide for simple Postfix mail server configuration. Then  I configured the Postfix mail server to support Anti-Spam and Anti-Virus, using two methods.

- Method 1: With Postfix, SpamAssassin, ClamAV and Amavis-new

- Method 2: With Postfix, SpamAssassin, ClamAV and Procmail 

The report includes the following sections

- How Postfix receives mail:

- How Postfix delivers mail

- Starting guide for quick Postfix configuration

- Postfix mail server and Dovecot configuration

- Installing ClamAV and SpamAssassin

- Installing and configuring Squirrelmail:

- Method 1 to support Antivirus and Antispam: Using Postfix, Amavis-new, ClamAV, SpamAssassin

- Method 2 to support Antivirus and Antispam: Using Postfix, Procmail, ClamAV, SpamAssassin