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Tips for blocking Spam at Yale:

Tip #1 - Limit the use of your Yale E-mail Address.
Be careful about disclosing your Yale E-mail address. Your best bet is to share your E-mail address only with people you know. To keep it private, disguise it or use a second address, such as a free E-mail account, reserved only for Internet transactions. Use the free E-mail account in news groups and chat rooms rather then using your Yale account. Examples of free E-mail accounts are Yahoo! Mail and Hotmail. Limit use of your Yale E-Mail account for personal communications.

Tip #2 - Keep your E-mail address off Web pages.
Avoid having your E-mail address on Web pages. The masking of an e-mail address may protect it from Spam robots that harvest addresses for spammers. This page contains two solutions for masking e-mail addresses on Web sites:
How to Protect e-mail address on Web pages from Spam robots.

Tip #3 - Ignore spam.
Don't reply to spammers, not even to "unsubscribe," unless you are sure that the sender is legitimate. Don't open or forward chain e-mail, or reveal personal information. And never, ever buy anything from spam mail.

Tip #4 - Review privacy policies.
Review the privacy policies of Web sites. When you sign up for Web-based services such as on-line banking, shopping, or newsletters, review the privacy policy closely before you reveal your e-mail address.

Tip #5 - Configure Yale Spam Management.
Spam Management helps identify and filter E-mail spam based on the address of the sending server. Potential spam is marked by the Yale mail servers and can be sent to a "Tagged-Spam" mail folder on the server. Note that sending spam to the Tagged-Spam folder takes precedence over any filters you have set up on the Mail Filtering configuration page which is available from the main menu, or in Eudora. If you would like more flexibility with spam management, you can manually configure filters there.

Below are the steps needed to configure spam management for your E-mail account.
-Visit this page https://www.mail.yale.edu/
-Select E-mail Config tool.
-Click Continue.
-Log onto CAS Central Authentication Service.
-On the Spam management line select Configure.
-Select YES to Send tagged spam to folder, "Tagged-Spam".
-Select YES to Automatically delete 30-day-old messages in Tagged-Spam.
-Click the Update Spam Management configuration button.
-Occasionally check the Tagged-Spam folder in Web Mail to verify that valid messages have not been filtered.

Tip #6 - Set up Filters in Eudora.
Learn how to configure your filters in Eudora. You can send spam right to the trash or to any mailbox you choose. You can do this based on:

-Messages coming from specific E-mail addresses or parts of E-mail addresses.

-Words or phrases that appear in the subject or body of the message. For example, you might receive both spam and legitimate messages about Nigeria, so you wouldn't want to filter on the word Nigeria. In that case, you may want to filter the words Nigerian Bank. Do not filter on words used in normal business e-mail, but on words you wouldn't expect - for example, the names of some prescription medicines.

-Also filter on variations of words. For example you may receive ads for Widgets. Sometimes they contain the word Widgets spelled out or separated with punctuation such as w.i.d.g.e.t.s. This is a spammers attempt to avoid filters.

-You can also set up filters based on multiple conditions. For example block E-mail from everyone sending from badmail.com except jsmith@badmail.com.

Read more about filtering on page 116 of the Eudora Pro Manual.