User Guide

Contents
CHAPTER 1. KASPERSKY
®
SMTP-GATEWAY 5.5 FOR LINUX/UNIX...................... 6
1.1. What’s new in version 5.5 ..................................................................................... 7
1.2. Licensing policy ..................................................................................................... 8
1.3. Hardware and software requirements .................................................................. 8
1.4. Distribution kit ........................................................................................................ 9
1.5. Help desk for registered users ............................................................................ 10
1.6. Conventions......................................................................................................... 11
CHAPTER 2. APPLICATION STRUCTURE AND TYPICAL DEPLOYMENT
SCENARIOS .............................................................................................................. 12
2.1. Application architecture ....................................................................................... 12
2.2. The algorithm of application functioning ............................................................. 13
2.3. Typical deployment scenarios............................................................................. 15
2.3.1. Installing the application along corporate network perimeter...................... 16
2.3.2. Installing the application inside your mail system........................................ 18
CHAPTER 3. INSTALLING THE APPLICATION......................................................... 20
3.1. Installing the application on a server running Linux ........................................... 20
3.2. Installing the application on a server running FreeBSD..................................... 21
3.3. Installation procedure .......................................................................................... 22
Step 1. Preparing the system ......................................................... 22
Step 2. Copying application files to destination directories
on your server .................................................................... 22
Step 3. Post-installation tasks ........................................................ 22
3.4. Configuring the application.................................................................................. 23
3.5. Installing the Webmin module to manage Kaspersky SMTP-Gateway ............ 25
CHAPTER 4. USING THE APPLICATION................................................................... 27
4.1. Updating the anti-virus databases ...................................................................... 27
4.1.1. Automatic updating of the anti-virus databases........................................... 29
4.1.2. Manual updating of the anti-virus databases............................................... 29
4.1.3. Creating a shared directory for storing and sharing database updates...... 30
4.2. Anti-virus protection of email traffic ..................................................................... 31