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Chapter 9. Email Essentials > Email Security

Email Security

Security issues—especially those related to email—are a concern of every Internet user. Entourage 2004 provides new security measures, as well as improvements to older features.

  • Spam avoidance. The receipt of unwanted, unsolicited email (often containing ads) has become a problem for the majority of Internet users. Entourage 2004 includes improved filters you can use to limit the amount of junk email (spam) with which you'll have to contend. For information on enabling and fine-tuning Junk E-mail Protection (Figure 9.9), see Chapter 11.

    Figure 9.9. You can enable Junk E-mail Protection to prevent unwanted email from cluttering your Inbox.

  • Linked image downloading. In addition to mailing vast quantities of junk email, spammers can make money harvesting and reselling verified email addresses—yours, for example. One technique to verify an email address is to add links to images on the Web in their messages. Downloading the image to your computer verifies that yours is a real email address.

    Entourage now blocks the automatic downloading of linked images. To view these images, you must instruct Entourage on a message-by-message basis to download them, as explained in Chapter 16.

  • Virus prevention. While Entourage does not scan incoming and outgoing email for viruses, it can be configured to present a warning whenever you attempt to open a received email attachment (see “Security Preferences” in Chapter 16).

    However, other than steadfastly refusing to open any attachments, the only sure-fire way to avoid the few Mac-related viruses that are floating about is to buy and install antivirus software.

  • Digital signatures and encryption. Entourage 2004 supports encryption (to prevent a message from being read by anyone other than its intended recipient) and digital signatures (which are used to authenticate the identity of a message's author).

    Anyone can receive either type of message. However, to create encrypted or digitally signed messages, you must buy a public encryption key from a certificate authority and/or obtain a digital ID. To learn more about encryption and digital signatures (Figure 9.10), see Chapter 10.

    Figure 9.10. If you obtain a public key and a digital ID, you can encrypt or add a digital signature to select outgoing messages.



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