Email server setup

Overview

Requirements

An email server requires a lot of components:

• Send / Receive emails [SMTP, POP3, IMAP, ...]
• Tools to check the email content against virus, spam
• Tools to encrypt the communication
• (optional) Database to manage users and emails

Therefore, before going on you need to have:

• MySQL server
• MySQL client such as MySQL workbench

Installation

SMTP send server

## Security libraries
# SASL is the Simple Authentication and Security Layer, a method for adding authentication support to connection-based protocols.
apt-get install libsasl2-modules libsasl2-modules-sql libgsasl7 libauthen-sasl-cyrus-perl sasl2-bin

# Authentication using MySQL
apt-get install libpam-mysql

## Anti-virus
apt-get install clamav-base libclamav6 clamav-daemon clamav-freshclam

## SPAM killer
apt-get install  spamassassin spamc

## Interface to scan emails for virus & spam
apt-get install amavisd-new

## Utility to SEND emails
apt-get install postfix postfix-mysql 

## Utility to RECEIVE emails
apt-get install courier-base courier-authdaemon courier-authlib-mysql courier-imap courier-imap-ssl courier-pop courier-pop-ssl courier-ssl

Sources

• Complete how-to, very good: http://flurdy.com/docs/postfix/
• http://xmodulo.com/2014/01/mail-server-ubuntu-debian.html
• http://www.pixelinx.com/2013/09/creating-a-mail-server-on-ubuntu-postfix-courier-ssltls-spamassassin-clamav-amavis/
• Postfix how-to:
  • https://help.ubuntu.com/community/PostfixBasicSetupHowto
  • https://help.ubuntu.com/community/Postfix