This IBM Redpaper will help you design a solution to protect your e-mail servers on IBM eServer i5 using various security solutions of Linux. Like many of Linux solutions, security implementation can be done using either free software solutions (that is, Open Source Software based solutions) or commerce software solutions (that is, Independent Software Vendor based solutions).
This redpaper has two main parts: Part I covers OSS-based solutions and Part II covers ISV-based solutions. In either case, the goal protecting your e-mail servers from various attacks.
Table of contents
Part 1. Open Source Solutions for Network Security
Chapter 1. Understanding and planning e-mail server security
Chapter 2. Linux installation
Chapter 3. Locking down the Linux firewall partition
Chapter 4. E-mail Security tools installation and configuration
Part 2. ISV Solutions
Chapter 5. StoneGate Firewall and VPN for iSeries
Chapter 6. MPP Service Provider Edition: Foundation of E-mail Filtering Services
Chapter 7. Bytware's StandGuard Anti-Virus for Linux
Appendix A. Tips and techniques