3Com 3CR3MFA-92 Manuel utilisateur
http://www.3com.com/
Part No. DIA-MFA100-AAA01
Published January 2005
WORK
SHEET
FR
EN
DE
IT
ES
Email Firewall
Installation Guide
Installation Guide for the 3Com®Email Firewall
Guide d’installation pour le 3Com®Email Firewall
3Com®Email Firewall – Installationsanleitung
Guida all’installazione di 3Com®Email Firewall
Guía de instalación de Firewall 3Com®Email
3Com Corporation
350 Campus Drive
Marlborough,
MA 01752-3064
Copyright © 2000-2005, BorderWare Technologies Inc. Used under license by 3Com Corporation. All rights
reserved. No part of this documentation may be reproduced in any form or by any means or used to make any
derivative work (such as translation, transformation, or adaptation) without written permission from
BorderWare Technologies Inc.
3Com Corporation and its licensors reserve the right to revise this documentation and to make changes in
content from time to time without obligation on the part of 3Com Corporation or its licensors to provide
notification of such revision or change.
3Com Corporation and its licensors provide this documentation without warranty, term, or condition of any
kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of
merchantability, satisfactory quality, and fitness for a particular purpose. 3Com Corporation and its licensors
may make improvements or changes in the product(s) and/or the program(s) described in this documentation
at any time.
If there is any software on removable media described in this documentation, it is furnished under a license
agreement included with the product as a separate document, in the hard copy documentation, or on the
removable media in a directory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy,
please contact 3Com and a copy will be provided to you.
UNITED STATES GOVERNMENT LEGEND
If you are a United States government agency, then this documentation and the software described herein are
provided to you subject to the following:
All technical data and computer software are commercial in nature and developed solely at private expense.
Software is delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014 (June 1995) or
as a “commercial item” as defined in FAR 2.101(a) and as such is provided with only such rights as are
provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited
rights only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is
applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or
documentation contained in, or delivered to you in conjunction with, this Installation Guide.
Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not
be registered in other countries.
3Com and the 3Com logo are registered trademarks of 3Com Corporation.
BorderWare, the Powered by BorderWare Logo, and BorderWare Security Network are trademarks or
registered trademarks of BorderWare Technologies Inc. in the United States and other jurisdictions.
Microsoft and Windows are registered trademarks of Microsoft Corporation.
All other company and product names may be trademarks of the respective companies with which they are
associated.
ENVIRONMENTAL STATEMENT
It is the policy of 3Com Corporation to be environmentally-friendly in all operations. To uphold our policy, we
are committed to:
Establishing environmental performance standards that comply with national legislation and regulations.
Conserving energy, materials and natural resources in all operations.
Reducing the waste generated by all operations. Ensuring that all waste conforms to recognized
environmental standards. Maximizing the recyclable and reusable content of all products.
Ensuring that all products can be recycled, reused and disposed of safely.
Ensuring that all products are labelled according to recognized environmental standards.
Improving our environmental record on a continual basis.
End of Life Statement
3Com processes allow for the recovery, reclamation and safe disposal of all end-of-life electronic components.
Regulated Materials Statement
3Com products do not contain any hazardous or ozone-depleting material.
Environmental Statement about the Documentation
The documentation for this product is printed on paper that comes from sustainable, managed forests; it is
fully biodegradable and recyclable, and is completely chlorine-free. The varnish is environmentally-friendly, and
the inks are vegetable-based with a low heavy-metal content.
ENCRYPTION
This product contains encryption and may require U.S. and/or local government authorization prior to export
or import to another country.
EN
CONTENTS
ABOUT THIS GUIDE
Conventions 6
Related Documentation 7
Documentation Comments 7
1PRE-INSTALLATION TASKS
Registering your 3Com Email Firewall 9
Deploying the 3Com Email Firewall 10
Using the Configuration Worksheet 11
Network Modifications 11
Network and Mail Configuration Settings 11
Modifying the Firewall/Router Configuration 12
2INSTALLING THE 3COM EMAIL FIREWALL
Connect the 3Com Email Firewall to a Network 13
Connect to the 3Com Email Firewall via a Web Browser 14
Using the Setup Wizard 15
License Agreement 16
Anti-Virus License Agreement 16
Change Password 17
Set Time Zone 17
Network Configuration 18
Mail Configuration 19
Completion 20
Using the Licensing Wizard 21
3POST-INSTALLATION TASKS
Checking the 3Com Email Firewall’s Status 25
Licensing 26
WORK
SHEET
BorderWare Mail Security Services 26
Network Services 26
Modify Internal Mail Server 27
Exchange 5.5 27
Exchange 2000 27
Testing Outbound Mail Delivery 28
Testing Inbound Mail Delivery 29
ACONFIGURING YOUR COMPUTER’SIP ADDRESS
Windows XP 31
Windows 2000 33
EN
ABOUT THIS GUIDE
This guide describes how to initially install and configure your 3Com®
Email Firewall.
The instructions in this guide will help you quickly get your 3Com Email
Firewall setup on the network to accept and scan email messages.
This guide is intended for the system or network administrator who is
responsible for configuring, using, and managing the 3Com Email
Firewall. It assumes a working knowledge of TCP/IP network and email
communications protocols.
For more detailed information on 3Com Email Firewall configuration,
please see the accompanying User Guide.
If release notes are shipped with your product and the information there
differs from the information in this guide, follow the instructions in the
release notes.
Most user guides and release notes are available in Adobe Acrobat
Reader Portable Document Format (PDF) or HTML on the 3Com
World Wide Web site:
http://www.3com.com/products
6ABOUT THIS GUIDE
Conventions Table 1 and Table 2 list conventions that are used throughout this guide.
Table 1 Notice Icons
Icon Notice Type Description
Information note Information that describes important features or
instructions
Caution Information that alerts you to potential loss of data or
potential damage to an application, system, or device
Warning Information that alerts you to potential personal injury
Table 2 Text Conventions
Convention Description
Screen displays This typeface represents information as it appears on the
screen.
Syntax The word “syntax” means that you must evaluate the syntax
provided and then supply the appropriate values for the
placeholders that appear in angle brackets. Example:
To change your password, use the following syntax:
system password <password>
In this example, you must supply a password for <password>.
Commands The word “command” means that you must enter the
command exactly as shown and then press Return or Enter.
Commands appear in bold.
The words “enter”
and “type”
When you see the word “enter” in this guide, you must type
something, and then press Return or Enter. Do not press
Return or Enter when an instruction simply says “type.”
Keyboard key names If you must press two or more keys simultaneously, the key
names are linked with a plus sign (+). Example:
Press Ctrl+Alt+Del
Words in
italics
Italics are used to:
■Emphasize a point.
■Denote a new term at the place where it is defined in the
text.
■Identify menu names, menu commands, and software
button names. Examples:
From the
Help
menu, select
Contents
.
Click
OK
.
Related Documentation
7
EN
Related
Documentation
In addition to this guide, each 3Com Email Firewall documentation set
includes the following:
■
3Com Email Firewall User Guide
This guide contains:
■Detailed information on 3Com Email Firewall configuration
■Information on how to troubleshoot problems related to email
processing and communications
■
Release Notes
These notes provide information about the current software release,
including new features, modifications, and known problems.
Documentation
Comments
Your suggestions are very important to us. They will help make our
documentation more useful to you. Please send comments about this
document to 3Com via the following URL:
http://www.3com.com/corpinfo/en_US/contactus/index.html
Please include the following information when contacting us:
■Document title
■Document part number (on the title page)
■Page number (if appropriate)
Example:
■3Com Email Firewall Installation Guide
■Part number: DIA-MFA100-AAA01
■Page 25
Please note that we can only respond to comments and questions about
3Com product documentation. Questions related to technical support or
sales should be directed in the first instance to your network supplier.
8ABOUT THIS GUIDE
EN
1PRE-INSTALLATION TASKS
This chapter contains information on the pre-installation tasks that need
to be completed before installing the 3Com Email Firewall, and includes
the following topics:
■Registering your 3Com Email Firewall
■Deploying the 3Com Email Firewall
■Using the Configuration Worksheet
■Modifying the Firewall/Router Configuration
Registering your
3Com Email Firewall
Before installation, you must register your 3Com Email Firewall License
Key with 3Com. The License Key will be used during the installation
process to license and activate the 3Com Email Firewall.
Using a web browser, go to the following URL:
http://esupport.3com.com
If you do not have an eSupport username and password, you must first
register by clicking the Register Now link.
10 CHAPTER 1: PRE-INSTALLATION TASKS
After obtaining a username and password, login to 3Com eSupport and
follow the instructions to register your 3Com Email Firewall with the
License Key that came with your system.
Copy your License Key down on the included Configuration Worksheet.
You will enter this key during the licensing process.
Deploying the 3Com
Email Firewall
The 3Com Email Firewall is designed to be situated between your mail
servers and the Internet so that there are no direct SMTP (Simple Mail
Transport Protocol) connections between external and internal servers.
The 3Com Email Firewall is installed behind the existing firewall on the
Internal network.
Inbound mail will be forwarded from the Firewall or Router to the 3Com
Email Firewall where it will be scanned, processed, and then sent to your
internal mail server for delivery.
Outbound mail will be sent from your internal mail server to the 3Com
Email Firewall to be scanned, processed, and then delivered to the
destination SMTP server on the Internet.
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