Greenfield Community College

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GCC Information Security Office

Spam Prevention Techniques

Spam prevention can be accomplished by adhering to the following guidelines:

- Increase your protection level as you need to To obtain the maximum protection possible from using the Junk E-mail Filter and other enhanced privacy features, set the protection level of the Junk E-mail Filter to High or to Safe Lists Only.

- Keep your Junk E-mail Filter updated Updates are available at Downloads on Office Online. Under Office Update, click Check for Updates.

Block images in HTML messages that spammers use as Web beacons A Web beacon can be a graphic image, linked to an external Web server, that is placed in an HTML-formatted message and can be used to verify that your e-mail address is valid when the message is opened and images downloaded. By default, Outlook is set to block automatic picture downloads. To verify what your automatic download settings are, on the Tools menu, click Options. Click the Security tab, and then click Change Automatic Download Settings. Verify that the Don’t download pictures or other content automatically in HTML e-mail check box is selected.

Watch out for check boxes that are already selected When you buy things online, companies sometimes add a check box (already selected!) to indicate that it is fine to sell or give your e-mail address to other businesses (third parties). Clear the check box so that your e-mail address won’t be shared.

- DO NOT sign up for commercial mailing lists.

- DO NOT reply to email or unsubscribe from a mailing list that you did not explicitly sign up for.

- Configure your email client to send and receive email in Text (Plain Text) or Rich Text (plain text plus special commands) Format. For Microsoft Outlook go to:

Tools > Options… and click the Mail Format Tab.

Change your Message format to Text

Click OK.

- Setup a filter or rules depending on your email client. e.g. Eudora and Microsoft Outlook.

- Spam that is fraudulent – offering products that don’t work or don’t exist, pyramid schemes and so on – can be sent to the US Federal Trade Commission at uce@ftc.gov.

- Spam that promotes stocks can be sent to the US Securities and Exchange Commission at enforcement@sec.gov.

 

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