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Using Specialized Scanning Tools By default, the E-Mail Scan extension examines all of the mail messages stored in your mailbox on the Exchange mail server, looking for messages and attachments susceptible to virus infection. If you have a large number of messages stored there that you have not yet downloaded, this scan operation can take a long time. To pause the operation, click resume the operation, click . To stop it altogether, click . To . Figure 8-1. E-Mail Scan extension at work If it finds an infected file, the E-Mail Scan extension will ask you how to respond to the virus. See “Responding when the E-Mail Scan extension detects a virus” on page 74 for details. Configuring the E-Mail Scan extension The E-Mail Scan extension comes set to protect your system in most situations and against most likely hostile agents that arrive via e-mail. You can change the configuration options for the extension so that they better suit your own work environment, however. To change your settings, you must tell the E-Mail Scan extension: • what you want it to scan • what you want it to do if it finds a virus • how it should let you know when it finds a virus • whether you want it to keep track of its actions User’s Guide 259