Table of Contents
1. Introduction .......................................................................................................................................... 1
2. How to navigate through this guide ................................................................................................3
3. Mail server in UNIX OS environment.............................................................................................5
4. NOD32LMS package installation.....................................................................................................9
5. NOD32LMS configuration............................................................................................................... 11
5.1. NOD32LMS - own configuration.........................................................................................11
5.2. Scanning of the inbound e-mail messages..........................................................................13
5.2.1. Renaming the original MDA and its replacement by NOD32MDA..................14
5.2.2. Setting of NOD32MDA (in MTA) as MDA............................................................16
5.2.2.1. Setting Sendmail MTA .................................................................................16
5.2.2.2. Setting Postfix MTA ...................................................................................... 17
5.2.2.3. Setting Qmail MTA .......................................................................................18
5.2.2.4. Setting MTA Exim version 3........................................................................20
5.2.2.5. Setting MTA Exim version 3 (more general).............................................21
5.2.2.6. Setting MTA Exim version 4........................................................................23
5.3. Scanning the outbound e-mail messages............................................................................24
5.4. Content filtering in MTA.......................................................................................................27
5.4.1. Content filtering in MTA Postfix .............................................................................27
5.4.2. Content filtering in MTA Sendmail.........................................................................28
5.4.3. Content filtering in MTA Exim ................................................................................29
5.5. Alternative methods of scanning e-mails. ..........................................................................30
5.5.1. Scanning e-mail messages using AMaViS .............................................................30
5.5.1.1. amavis............................................................................................................. 31
5.5.1.2. amavisd .......................................................................................................... 32
5.5.1.3. amavisd-new .................................................................................................32
6. NOD32 system update and maintenance......................................................................................35
6.1. Basic concept of NOD32 system update. ............................................................................35
6.1.1. NOD32 modules organization.................................................................................35
6.1.2. NOD32 mirror creation.............................................................................................36
6.1.3. Generation of NOD32 scanner loading modules..................................................36
6.2. Subordinate mirrors creation................................................................................................37
6.3. Automatic update of the virus definitions database.........................................................38
6.3.1. Structure and use of automatic update script .......................................................38
6.3.2. Periodic update of the virus definitions database ................................................39
7. Tips and tricks .................................................................................................................................... 41
7.1. Dropping messages marked by NOD32 as deleted in MTA Postfix...............................41
7.2. NOD32LMS and TLS support in MTA................................................................................41
8. Let us know......................................................................................................................................... 45
A. Installed content of NOD32LMS package...................................................................................47
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