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Postfix installation HOWTO
List of content
- Introduction
- Misc software installation
- Antivirus software
- Antispam - SpamAssassin installation
- Postfix installation
- COPYRIGHT
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Introduction
This
Looking over hundred web pages and collection information little by little, we decide to write full
description how to install full email system based on postfix MTA. In this documentation we'll show how to build
email system that includes:
Core mail system
We used postfix as very configurable, secure and fast Mail Transport Agent (MTA) that supports MySQL database,
Maildirs, AntiSpam and antivirus software.
Antivirus software
We recommend to use ClamAv antivirus as one the best and free (GPL) antivirus software with daily updated virus' signature
datebase
AntiSpam software & tools
It consists of two subsystems
- RBL (Relay Blocking Lists). Has list of opened relay email servers and proxies.
- SpamAssassin. Uses a lot of rules to detect spam.
Mail user agents - IMAP4 & POP3
We used Cyrus-IMAP as the best server supports IMAP4 and POP3 for maildirs at the same time.
Small patch has been applied to get shared maildirs working correctly for several users
SMTP authentification and SMTP-after-POP
To allow your users to send emails from everywhere and keep it secure, postfix supports "StartTLS" technology
that authorizes users before they can send email.
Also, if you want to make email sending procedure simpler, you can use SMTP-after-POP feature.
It means users have to get emails and then being authorized they can send email over our system
Web-based mail panel
Allows users to access their mail from anywhere using any web browser for example Internet Expolorer, Opera
or Mozilla.
Since we uses StartTLS(SSL) you can provide secure website (SSL) for this system.
Secure web form
If you have your own business on the Internet it would be very usefull to have secure email web-based form
that encrypts messages by PGP on your website and sends messages encypted to your email software.
It allows your customers to send important information by very secure way.
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