Linux Enterprise Mail Server Security Guides

Hello everyone!

Today is the International Women’s Day, and I want to congratulate and thank… whatever/whoever made them. We can’t live without you, and I specially can’t live without my beloved Erica. I love you!

Well, now that the Romantic Intro (c) is over, let me introduce you to a series of Blog Posts / Guides / Articles I will be writing during the following weeks. By reading them, I expect you to understand how to deal with a couple of Mail-Server related security issues.

Security, for these guides, will mean “Anti Spam”, inbound/outbound eMail control based in FROM/TO address (like an ACL for eMail), and general Relay management.

Regarding software, I will be providing examples for scenarios using Linux, Courier-MTA (my MTA of choice for the last 6 years) and Mail Avenger.

This will not be the classical “install SpamAssassin and/or MailScanner” guide, there are lots of that already on the Internet 😉

Instead, I will try to demonstrate how Corporate or Enterprise Level a Linux Mail Server can be.

Why do I say that? Simple:

We will see how to implement an enterprise-based corporate Mail Server providing SQL-based authentication using PostgreSQL with a Sender/Recipient based Access Control List for inbound/outbound relay, and an RBL-based Antispam… and I will leave Antivirus as homework for two weeks after this series is over (and then provide an example of ClamAV integration to Mail Avenger).

So, now you just have to wait for my next post. It’s time to start working, and I’ve plenty of things to do today!

UPDATE: Visitor, read the “next post” HERE.

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