Spam

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Spam, called junk mail by Mozilla, is unsolicited mail that shows up in your mailbox. Most people prefer not to receive spam. However, most people prefer receiving spam to not receiving legitimate mail. Consequently, spam filters must balance between letting too much mail through, thereby missing some spam, and not letting enough mail through, thereby identifying some "real" mail as spam (false positives).

Mozilla includes a Bayesian spam filter. This type of spam control looks at a sample of real mail and a sample of junk mail and uses statistical analysis of the contents of the messages to identify spam. Consequently, the more messages of junk/non-junk status it has to analyze, the better it gets at recognizing spam.

The Mozilla junk mail controls must be "trained" before use. You should identify as large a sample of mail as possible. To mark the messages, highlight them. Click Message. Select Mark->as junk or Mark->as not junk. Junk mail is marked with a blue trash can. You can also mark mail as junk by clicking the round icon in the Junk column, something that can happen accidentally when you click a message to read it. The junk mail handler requires both junk and nonjunk messages to analyze.

Junk mail controls, shown on the right, are opened by highlighting an account, clicking Tools and selecting Junk Mail Controls. Check or uncheck the box to enable junk mail handling.

Check whether you want to mark mail as junk when it comes from a sender in your address book. Although junk mail may not come from a familiar address, a virus very well might mail itself from a familiar address.

You can log your junk mail activity. Click Junk Mail Log and check the Enable box.

Check your Junk folder frequently for false positives. Mark them as not junk. The more classified messages in the junk mail database, the better Mozilla becomes at correctly identifying junk without false positives.

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    Spring Into Linux
    Spring Into Linux
    ISBN: 0131853546
    EAN: 2147483647
    Year: 2005
    Pages: 362
    Authors: Janet Valade

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