Starting Guide for Postfix Mail Server Configuration Supporting Anti Spam and Anti Virus

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 ProcmailThe report includes the following sections1. How Postfix receives mail:2. How Postfix delivers mail3. Starting guide for quick Postfix configuration4. Postfix mail server and Dovecot configuration5. Installing ClamAV and SpamAssassin6. Installing and configuring Squirrelmail:7. Method 1 to support Antivirus and Antispam: Using Postfix, Amavis-new, ClamAV, SpamAssassin8. Method 2 to support Antivirus and Antispam: Using Postfix, Procmail, ClamAV, SpamAssassin