Postfix

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Virtual Users And Domains With Postfix, Courier And MySQL (Fedora Core 5)

Virtual Users And Domains With Postfix, Courier And MySQL (Fedora Core 5)

This document describes how to install a mail server based on Postfix that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses.

How To Combat Viruses Using Your Postfix Configuration

How To Combat Viruses Using Your Postfix Configuration 

In this guide you will learn how to tweak the HowtoForge mail guide for  Postfix (+Auth SMTP + Quota), http://www.howtoforge.com/virtual_postfix_mysql_quota_courier, setup to give better Virus protection.  Sadly this always comes at a price as you will see later on.....

How To Fight Spam Using Your Postfix Configuration

How To Fight Spam Using Your Postfix Configuration

In this guide you will learn how to tweak the mail guide for  Postfix (+Auth SMTP + Quota), http://www.howtoforge.com/virtual_postfix_mysql_quota_courier, setup to better combat SPAM and allow a little bit of backward compatibilty of the older Qmail systems.

Postfix Spam Filter using Ubuntu Dapper, MailScanner, SpamAssassin, Razor, Pyzor, DCC and ClamAV

Postfix Spam Filter using Ubuntu Dapper, MailScanner, SpamAssassin, Rayzor, Pyzor, DCC and ClamAV

This is a similar version of the HOWTO that can be found here: http://www200.pair.com/mecham/spam/spamfilter20050628.html. Except for using Ubuntu Server instead of Debian and MailScanner instead of Amavisd, the Postfix, Rayzor, Pyzor, DCC and ClamAV sections are almost the same.

Killing That Spam With Postgrey And Postfix

Killing That Spam With Postgrey And Postfix

Ever heard of stopping spam with greylisting?

This tutorial will show you how to setup greylisting with Postgrey and Postfix on Debian. Greylisting will not replace spam filtering software like SA but it will serve as a powerful first hurdle for spam thus reducing the ammount of spam entering the system at all.

Mandriva 2005 Postfix Anti-Spam, Anti-Virus Relay Server for Exchange Server 2000/2003

Mandriva 2005 Postfix Anti-Spam, Anti-Virus Relay Server for Exchange Server 2000/2003

There are a couple of linux how-tos floating on the Internet that deal with this very subject. As a matter of fact, those guides are what inspired to write this one. In the spirit of keeping it simple, let me recommend the Mandrake or as it’s currently known Mandriva Linux distro. This guide has been written with this distro in mind.

Add Mailfiltering to the Falko howto Postfix Guide

Add Mailfiltering to the Falko howto Postfix Guide 

In this guide, you will learn how to get around some of the security policies that Postfix affords in favour of quickness and speed.

The Falko guide shows us how to get Virtual users working with Postfix/ Courier IMAP however it would be nice to offer per user mail filtering on email marked as spam by Spam Assasin for example to go into a SPAM folder for example.

Virtual Users And Domains With Postfix, Courier And MySQL (+ SMTP-AUTH, Quota, SpamAssassin, ClamAV)

Virtual Users And Domains With Postfix, Courier And MySQL (+ SMTP-AUTH, Quota, SpamAssassin, ClamAV)

This document describes how to install a mail server based on Postfix that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses.

Virtual Hosting with Postfix, part two

Version 1.0

Author: Joe Topjian <joe [at] adminspotting [dot] net>
Last edited 04/15/2005

This article will pick up where the last one left off: how to actually retrieve the email we're storing in our virtual accounts. In the first article, I explained how we're using the third type of Postfix virtual hosting which is to use separate domains and non-unix accounts. The separate domains portion was covered fairly well. Now it's time to work on the non-unix accounts.

Virtual Hosting with Postfix, part one

Version 1.0

Author: Joe Topjian <joe [at] adminspotting [dot] net>
Last edited 04/11/2005

The virtual domain support in Postfix is actually quite robust. There are three different ways you host virtual domains with Postfix and they're all described here. We'll be looking at the third one: separate domains and non-unix accounts.

Why this one? Because in the end, this options gives us the most flexibility. It's a little more complicated to set up and understand but well worth it when you're hosting several domains.

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