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®
SonicWALL Email Security
User Guide
Version 7.2
SonicWALL, Inc.
2001 Logic Drive
San Jose, CA 95124-3452
Phone: +1.408.745.9600
Fax: +1.408.745.9300
E-mail: info@sonicwall.com
Part Number: 232-001701-00 Rev A
SonicWALL Email Security User Guide
i
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® SonicWALL Email Security User’s Guide Version 7.2 SonicWALL, Inc. 2001 Logic Drive San Jose, CA 95124-3452 Phone: +1.408.745.9600 Fax: +1.408.745.9300 E-mail: info@sonicwall.com
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Copyright Notice © 2009 SonicWALL, Inc. All rights reserved. Under the copyright laws, this manual or the software described within, can not be copied, in whole or part, without the written consent of the manufacturer, except in the normal use of the software to make a backup copy. The same proprietary and copyright notices must be affixed to any permitted copies as were affixed to the original. This exception does not allow copies to be made for others, whether or not sold, but all of the ma
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Table of Contents Preface ...................................................................................................................... iii Documentation Overview ............................................................................................iii Documentation Conventions .......................................................................................iii Finding Online Help ...............................................................................................
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Reports & Monitoring ............................................................................................. 21 Inbound Good vs. Junk Email .......................................................................................... 22 Outbound Good vs. Junk Email .......................................................................................23 Junk Email Breakdown .................................................................................................... 24 Chapter 6 Junk
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SonicWALL Email Security 7.1 User Guide | i Preface SonicWALL Email Security guards the perimeter of the organization against the costly, dangerous, and growing threats to corporate email. Threats are stopped before they infiltrate corporate mail servers and employee inboxes. SonicWALL Email Security secures email connections and blocks unwanted email while ensuring timely delivery of all legitimate email. SonicWALL Email Security provides the most comprehensive and effective spam blocking a
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ii | - Preface
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SonicWALL Email Security 7.1 User Guide | 1 CHAPTER 1 About SonicWALL Email Security This chapter describes viewing and handling items in your SonicWALL Email Security Junk Box. When a Message is Flagged as Junk When SonicWALL Email Security determines a message is junk, it stores it in a Junk Box. Your network administrator determines whether users can access their Junk Boxes. If configured, the software periodically sends you email messages listing the messages flagged as junk email. Figure
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2 | Chapter 1 - About SonicWALL Email Security You can scan these messages to see if there are any messages you want to receive and should not be categorized as Junk. If you see a message you want to receive, click the Unjunk link next to it and the message is sent to your Inbox. The sender of any messages that you unjunk is added to your list of allowed senders and their messages are not marked as junk in the future. Depending on the settings for your organization’s installation of SonicWALL
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SonicWALL Email Security 7.2 User’s Guide | 3 CHAPTER 2 Managing the Junk Box This chapter describes viewing and handling items in your SonicWALL Email Security Junk Box. When a Message is Flagged as Junk When SonicWALL Email Security determines a message is junk, it stores it in a Junk Box. Your network administrator determines whether users can access their Junk Boxes. If configured, the software periodically sends you email messages listing the messages flagged as junk email. Figure 1 Junk
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4 | Chapter 2 - Managing the Junk Box Scan these messages to see if there are any messages you want to receive and should not be categorized as Junk. If you see a message you want to receive, click the Unjunk link next to it and the message is sent to your Inbox. The sender of any messages that you unjunk is added to your list of allowed senders and their messages are not marked as junk in the future. Depending on the settings for your organization’s installation of SonicWALL Email Security,
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SonicWALL Email Security 7.2 User’s Guide | 5 To log in to your Junk Box 1. Log in with your user name and password. 2. Choose the appropriate domain from the list, if necessary. Your personal Junk Box appears, with any messages that have been flagged as spam or other unwanted email. You can display all junk mail, likely junk mail, or other unwanted email if your organization has configured SonicWALL Email Security to screen for viruses, phishing, or email that contains content your organiz
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6 | Chapter 2 - Managing the Junk Box As an example, suppose you wanted to see only messages that were Spam or Likely Spam. Clear all the checkboxes except the Show Spam and Show Likely Spam check boxes. Leave all the locations selected and click Search. To select all the messages visible, check the box at the top of the left column. Otherwise, select the messages you wish to receive. Note that selection data is not saved once you navigate to another results page. Supported Search The follow
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SonicWALL Email Security 7.2 User’s Guide | 7 Proximity Search This searches for words closer to each other. The syntax is “word 1 word2”~distance Deleting Messages Once you have determined that a message was correctly placed in your Junk Box, you can delete one or more messages at a time, or all the messages. Select one or more messages and click Delete to delete a single message, or click Check All then Delete to remove all messages from your Junk Box. If you do nothing, these messages ar
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8 | Chapter 2 - Managing the Junk Box Viewing Message Content Depending on your organization’s configuration, you can view the contents of a message by clicking the View link next to it in the Junk Summary Message sent to you by email. For security reasons, SonicWALL Email Security displays only the text portions of the message and does not display graphical images. To view the header information, click the Raw Mode option. Ending Your Junk Box Session When you are done managing your Junk Box
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SonicWALL Email Security 7.2 User Guide | 9 CHAPTER 3 Anti-Spam Techniques This chapter describes how you can use SonicWALL Email Security to block senders, or ensure that senders you approve can send you email. Managing Allowed and Blocked Lists Managing your Allowed and Blocked lists can help prevent email you want from ending up in your Junk Box and keep email from legitimate-looking but annoying senders from cluttering up your inbox. Use the Anti-Spam Techniques window to create your own
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10 | Chapter 3 - Anti-Spam Techniques Adding People to Allowed or Blocked Lists To add people to Allowed or Blocked lists 1. Navigate to Anti-Spam, Anti-Phishing > People. 2. Click Allowed to see a list of senders who may be added to the Allowed list. 3. Click Add to add a person. t 4. Enter the email address of the senders you want to allow. If you add multiple people, press Enter after each address. 5. Click Add. Deleting People from Allowed or Blocked Lists To delete people from Allowed
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SonicWALL Email Security 7.2 User Guide | 11 Adding Companies or Domains to Allowed or Blocked Lists To add companies or domains to Allowed or Blocked lists 1. Click the Anti-Spam, Anti-Phishing button. 2. Click Companies from the left hand navigation menu. A list of companies is displayed. Note: Some company addresses are adjacent to a dimmed checkbox. These addresses are on the organization Allowed list; users cannot delete these companies. 3. Click Allowed to view the companies and do
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12 | Chapter 3 - Anti-Spam Techniques Adding Lists to the Allowed List Email messages from mailing-list servers do not always come from the same email address or FROM: field in the address. This makes it difficult to add list messages to the Allowed list. The email messages are from the person who posted the message to the list-server and the message is addressed to the mailing list. You can only add and delete Allowed lists. To add email lists to Allowed Lists 1. Navigate to Anti-Spam, Ant
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SonicWALL Email Security 7.2 User Guide | 13 Note: To use your companies default settings, use the Adhere to Corporate/Group Defaults checkbox. If your IT department enforces these settings, the checkbox is dimmed; you cannot change blocking levels. Configuring SMART Network Aggressiveness Settings You can adjust the level of influence community input has on organization spam blocking, produced by the Self-Monitoring Active Response Team (SMART) network. Updates are provided to your gatewa
