Symantec Mail Security for SMTP Installation guide

Brand: Symantec

Model: Mail Security for SMTP

Category: Software

Type: Installation guide

This manual is also suitable for

10547849 - Mail Security For SMTP

Symantec Mail Security for

SMTP Installation Guide

Symantec Mail Security for SMTP Installation Guide

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Technical Support

Chapter 1 About Symantec Mail Security

Key features .................................................................................. 9

New features ............................................................................... 10

Functional overview ...................................................................... 12

Architecture ............................................................................... 13

Firewall rules ............................................................................... 15

Where to get more information ....................................................... 16

Chapter 2 Installing Symantec Mail Security for SMTP

Before you install ......................................................................... 19

Before you install on any platform ............................................. 19

Before you install on Windows .................................................. 22

Before you install on Solaris or Linux ......................................... 23

Before you upgrade ................................................................. 25

System requirements .................................................................... 25

Hardware requirements ........................................................... 26

Supported browsers ................................................................ 26

Supported LDAP servers .......................................................... 26

System requirements for Windows ............................................ 26

System requirements for Solaris ............................................... 27

System requirements for Linux ................................................. 27

Installing on Windows ................................................................... 27

Installing on Solaris and Linux ....................................................... 30

Setting up ................................................................................... 32

Logging in ............................................................................. 33

Registering your system .......................................................... 33

Configuring your system .......................................................... 34

Setting up a Scanner ............................................................... 38

Completing setup ................................................................... 42

Adding more Scanners .................................................................. 42

Setting mail filtering policies ......................................................... 42

Testing Scanners .......................................................................... 43

Accessing the Control Center .......................................................... 43

Contents

Logging out ........................................................................... 47

Having trouble logging in or out? .............................................. 47

Areas of localization ..................................................................... 47

Importing configuration files ................................................... 48

Configuring system locale ........................................................ 49

Uninstalling Symantec Mail Security for SMTP .................................. 49

Uninstalling from Windows ...................................................... 49

Uninstalling from Linux and Solaris .......................................... 50

Appendix A Sample options file

About the sample options file ......................................................... 53

Appendix B Integrating Symantec Mail Security with Symantec

Security Information Manager

About Symantec Security Information Manager ................................. 57

Interpreting events in the Information Manager ................................ 58

Firewall events that are sent to the Information Manager .............. 59

Definition Update events that are sent to the Information

Manager ......................................................................... 59

Message events that are sent to the Information Manager .............. 60

Administration events that are sent to the Information

Manager ......................................................................... 61

Installing and configuring event logging to the Information

Manager ............................................................................... 63

Configuring the Information Manager ........................................ 64

Installing the local SSIM Agent ................................................ 64

Installing the Collector ............................................................ 66

Configuring data sources ......................................................... 66

Uninstalling Information Manager components ................................ 68

Uninstalling the Collector ........................................................ 68

Uninstalling the Information Manager Agent .............................. 69

Index

Contents8

About Symantec Mail

Security

This chapter includes the following topics:

■ Key features

■ New features

■ Functional overview

■ Architecture

■ Firewall rules

■ Where to get more information

Key features

Symantec Mail Security offers enterprises an easy-to-deploy, comprehensive

gateway-based email security solution through the following features:

■ Email Firewall - This early response feature improves message throughput by

analyzing incoming SMTP connections, comparing them to industry-generated

lists of known hostile senders and enabling you to refuse connections or email

messages from those hosts.

■ Antispam technology – Symantec's state-of-the-art spam filters assess and

classify email as it enters your site.

■ Antivirus technology – Virus definitions and engines protect your users from

email-borne viruses.

Chapter

■ Content Compliance – These features help administrators enforce corporate

policies, reduce legal liability, and ensure compliance with regulatory

requirements.

■ Group policies and filter policies – An easy-to-use authoring tool lets

administrators create powerful, flexible ad hoc filters for users and groups.

New features

The following table lists the features that have been added to this version of

Symantec Mail Security:

Table 1-1

New features for Symantec Mail Security (all users)

DescriptionFeaturesCategory

Protects against directory-harvest attacks,

denial-of-service attacks, spam attacks, and virus

attacks.

Improved email

firewall

Threat

protection

features

Protects against phishing attacks, using the Sender

Policy Framework (SPF), Sender ID, or both.

Sender

Authentication

Additional virus verdicts protect against suspected

viruses, spyware, and adware and quarantine

messages with suspicious encrypted attachments.

Email messages that may contain viruses can be

delayed in the Suspect Virus Quarantine, then

refiltered, with updated virus definitions, if available.

This feature tcan be effective in defeating virus

attacks before conventional signatures are available.

View a list of available virus-definition updates.

Improved virus

protection

Automatically detects file types without relying on

file name extensions or MIME types.

True file type

recognition for

content compliance

filtering

Inbound

and

outbound

content

controls

Scan within attachments to find keywords from

dictionaries you create or edit. Specify a number of

occurrences to look for.

Keywords filtering

within attachments,

keyword frequency

filtering

Use regular expressions to further customize filter

conditions by searching within messages and

attachments.

Regular expression

filtering

About Symantec Mail Security

New features

Table 1-1

New features for Symantec Mail Security (all users) (continued)

DescriptionFeaturesCategory

Specify conditions that result in email being sent to

an archival email address or disk location.

Support for

Enterprise Vault and

third-party archival

tools

Dynamic group population via any of several

supported LDAP servers

LDAP integrationFlexible

mail

management

More than two dozen actions that can be taken,

individually or in combination, on messages

Expanded variety of

actions and

combinations

SMTP connection management, including support for

secure email (TLS encryption, with security level

depending on platform); for user-based routing and

static routes; for address masquerading, invalid

recipient handling, and control over delivery-queue

processing

Expanded mail

controls

Distribution lists automatically expanded, mail

filtered and delivered correctly for each user

Aliasing

More than 50 graphical reports that you can generate

ad-hoc or on a scheduled basis. Reports can be

exported for offline analysis and emailed.

Extensive set of

pre-built reports,

scheduled reporting,

and additional alert

conditions

Improved

reporting

and

monitoring

View a trail of detailed information about a message,

including the filtering processing applied to a

message.

Message tracking

Control which hosts and networks can access your

Control Center.

IP-based access

control

Expanded

administration

capabilities

Specify user-based and total limits, configure

automatic message deletions.

Control over

Quarantine size

limits

11About Symantec Mail Security

New features

Table 1-1

New features for Symantec Mail Security (all users) (continued)

DescriptionFeaturesCategory

Support for double-byte character sets.

Language autodetection of messages for Quarantine

and of subject encodings for message handling.

Support for non-ASCII LDAP source descriptions.

Support for

non-ASCII character

sets

Enhanced

localization

capabilities

Functional overview

Each Symantec Mail Security Scanner uses the following three separate message

transfer agents MTAs:

The component that sends inbound and

outbound messages that have already been

filtered to their required destinations. To do

this, the delivery MTA uses the filtering

results and the configuration settings for

relaying inbound and outbound mail.

Delivery MTA

The component that receives inbound mail

and forwards it to the Filtering Hub for

processing.

Inbound MTA

The component that receives outbound mail

and forwards it to the Filtering Hub for

processing.

Outbound MTA

You can deploy Symantec Mail Security in different configurations to best suit

the size of your network and your email processing needs.

Note: Symantec Mail Security provides neither mailbox access for end users nor

message storage. It is not intended for use as the only MTA in your email

infrastructure.

Each Symantec Mail Security host can be deployed in the following ways:

Deployed as a Scanner, a Symantec Mail Security host filters email

for viruses, spam, and noncompliant messages. You can deploy

Scanners on exisiting email or groupware server(s).

Scanner

About Symantec Mail Security

Functional overview

Deployed as a Control Center, a Symantec Mail Security host allows

you to configure and manage email filtering, SMTP routing, system

settings, and all other functions from a Web-based interface.

Multiple Scanners can be configured and monitored from your

enterprise-wide deployment of Symantec Mail Security, but only

one Control Center can be deployed to administer all the Scanner

hosts.

The Control Center provides information on the status of all

Symantec Mail Security hosts in your system, including system

logs and extensive customizable reports. Use the Control Center

to configure both system-wide and host-specific details.

The Control Center provides the Setup Wizard, for initial

configuration of all Symantec Mail Security instances at your site,

and also the Add Scanner Wizard, for adding new Scanners.

The Control Centrer also hosts the Spam and Suspect Virus

Quarantines to isolate and store spam and virus messages,

respectively. End users can view their quarantined spam messages

and set their preferences for language filtering and blocked and

allowed senders. Alternatively, you can configure Spam Quarantine

for administrator-only access.

Control Center

A single Symantec Mail Security host performs both functions.Scanner and Control

Center

Note: Symantec Mail Security does not filter messages that do not flow through

the SMTP gateway. For example, when two mailboxes reside on the same MS

Exchange Server, or on different MS Exchange Servers within an Exchange

organization, their messages will not pass through the Symantec Mail Security

filters.

Architecture

Figure 1-1 shows how a Symantec Mail Security installation processes an email

message, assuming the sample message passes through the Filtering Engine to

the Transformation Engine without being rejected.

13About Symantec Mail Security

Architecture

Figure 1-1

Symantec Mail Security architecture

Messages proceed through the installation in the following way:

■ The incoming connection arrives at the inbound MTA via TCP/IP.

■ The inbound MTA accepts the connection and moves the message to its inbound

queue.

■ The Filtering Hub accepts a copy of the message for filtering.

■ The Filtering Hub consults the LDAP SyncService directory to expand the

message's distribution list.

■ The Filtering Engine determines each recipient's filtering policies.

■ The message is checked against Blocked/Allowed Senders Lists defined by

administrators.

■ Virus and configurable heuristic filters determine whether the message is

infected.

About Symantec Mail Security

Architecture

■ Content Compliance filters scan the message for restricted attachment types,

regular exessions, or keywords as defined in configurable dictionaries.

■ Spam filters compare message elements with current filters published by

Symantec Security Response to determine whether the message is spam. At

this point, the message may also be checked against end-user defined Language

settings.

■ The Transformation Engine performs actions per recipient based on filtering

results and configurable Group Policies.

Firewall rules

The following table shows the necessary firewall rules for Symnatec Mail Security.

These assignments may differ slightly depending on your environment and

filtering types (inbound, outbound, or both).

Table 1-2

Firewall rules for Symantec Mail Security

DescriptionToFromProtocolPort

Inbound internet mail trafficSymantec Mail

Security

InternetTCP25

Inbound internal mail trafficInternal mail

servers

Symantec Mail

Security

TCP25

Outbound internal mail trafficSymantec Mail

Security

Internal mail

servers

TCP25

Outbound internet mail trafficInternet mail

hosts

Symantec Mail

Security

TCP25

Rapid response antivirus updatesInternetSymantec Mail

Security

TCP21

Default automatic antivirus updatesInternetSymantec Mail

Security

TCP80

Rule updates and license registrationInternetSymantec Mail

Security

TCP443

LDAP server access to synchronize

users/groups/d-lists

LDAP serversSymantec Mail

Security

TCP389

LDAP server access to synchronize

users/groups/d-lists (Global Catalog

Access)

LDAP serversSymantec Mail

Security

TCP3268

15About Symantec Mail Security

Firewall rules

Table 1-2

Firewall rules for Symantec Mail Security (continued)

DescriptionToFromProtocolPort

Communication between the Control

Center and Scanners

ScannersControl CenterTCP41002

Communication between the Control

Center and Scanners

Control CenterScannersTCP41002

To send quarantined messages to

the Control Center

Control CenterScannersTCP41025

Disabled by defaultControl CenterManagement

hosts

TCP41080

Web management port for the

Control Center

Control CenterManagement

hosts

TCP41443

Symantec Mail Security also uses the following web addresses:

DescriptionPortProtocolURL

Used to register Symantec Mail

Security

443TCPregister.brightmail.com

Used to retrieve filters443TCPaztec.brightmail.com

Used to retrieve automatic

antivirus updates

80TCPliveupdate.symantecliveupdate.symantec.com

Used to retrieve automatic

antivirus updates

80TCPliveupdate.symantec.com

Used to retrieve Rapid

Response antivirus updates

21TCPupdate.symantec.com

Where to get more information

The Symantec Mail Security documentation set consists of the following manuals:

■ Symantec Mail Security Administration Guide

■ Symantec Mail Security Planning Guide

■ Symantec Mail Security Installation Guide

■ Symantec Mail Security Getting Started

About Symantec Mail Security

Where to get more information

Symantec Mail Security also includes a comprehensive help system that contains

conceptual and procedural information.

You can visit the Symantec Web site for more information about your product.

The following online resources are available:

www.symantec.com/enterprise/supportProvides access to the technical support Knowledge

Base, newsgroups, contact information, downloads,

and mailing list subscriptions

www.symantec.com

/licensing/els/help/en/help.html

Provides information about registration, frequently

asked questions, how to respond to error messages,

and how to contact Symantec License Administration

www.enterprisesecurity.symantec.comProvides product news and updates

www.symantec.com/security_responseProvides access to the Virus Encyclopedia, which

contains information about all known threats;

information about hoaxes; and access to white

papers about threats

17About Symantec Mail Security

Where to get more information

About Symantec Mail Security

Where to get more information

Installing Symantec Mail

Security for SMTP

This chapter includes the following topics:

■ Before you install

■ System requirements

■ Installing on Windows

■ Installing on Solaris and Linux

■ Setting up

■ Adding more Scanners

■ Setting mail filtering policies

■ Testing Scanners

■ Accessing the Control Center

■ Areas of localization

■ Uninstalling Symantec Mail Security for SMTP

Before you install

Before you install Symantec Mail Security for SMTP, you must perform some

pre-installation tasks.

Before you install on any platform

The following are pre-installation tasks for both Windows and Linux/Solaris:

Chapter

■ Disable other antivirus programs

■ Ensure no other programs are using the port that you want to use for the

inbound MTA (usually port 25)

■ Ensure no Tomcat or MySQL installations are present

■ Establish an alternate MTA for alerting (optional)

■ Save whitelist, blacklist, local domain, and Anti-Relay list data (optional, for

users of Symantec Mail Security for SMTP 4.x only)

Disabling other antivirus programs

If you have other antivirus programs installed on your computer, it is

recommended that you uninstall them to prevent any installation or operational

errors. At a minimum, you must configure any other antivirus program to exclude

the following directories from scanning:

■ The MTA data directory (which you can specify during the Symantec Mail

Security for SMTP installation process — to do this, you must specify a ‘custom’

installation)

■ On Windows, the C:\windows\tmp directory

■ On Linux and Solaris, anything under /var/tmp

For information on excluding directories from scanning, see the user

documentation that came with the antivirus program.

Ensuring no other programs or services are running on the

MTA port

Stop, disable, or reconfigure any services running on the port you plan to use for

your MTA (usually port 25) on the installation host if you are installing a Scanner.

This is most likely an MTA such as sendmail or postfix. Optionally, you can

configure the MTA to listen on another port when you add it to the Control Center.

Do the following:

■ To check on Linux, use the following command:

netstat -an

| grep ':25'

You can also telnet to port 25 and see if it answers.

■ To check on Solaris, use the following command:

netstat -an

| grep '\.25'

Installing Symantec Mail Security for SMTP

Before you install

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Symantec Mail Security for SMTP Installation guide

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Model: Mail Security for SMTP

Category: Software

Type: Installation guide

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10547849 - Mail Security For SMTP

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