The magnitude of the Spam email problem has introduced a new dimension to the use of email: the spam filter. While the reduced flow of spam email into a user’s inbox is generally welcomed, the existence of false positives often necessitates the user manually double-checking filtered messages; this reality somewhat counteracts the assistance the filter delivers. The effectiveness of spam filters to improve user productivity is ultimately limited by the extent to which users must manually review filtered messages for false positives.
In general, spam is used to advertise different kinds of goods and services, and the percentage of advertisements dedicated to particular kinds of goods or services changes over time. Quite often spam serves the needs of online frauds. A special case of spamming activity is phishing, namely hunting for sensitive information like user passwords, credit card numbers, etc. by imitating official requests from a trusted authority, such as banks, server administration or service providers. In this article, we discuss how to use the anti spam in the Apple MacOS operating system.
Apple’s Mail application ships with an embedded capability that uses latent semantic analysis. Mail’s filtering is not something that Apple actively promotes, it is a working feature but far from perfect. The Junk Mail feature is a low-key system, but it works well. The Junk Mail feature is a low-key system, but it works well.
Here’s how to turn on Mail’s spam filtering:
1. Open Apple’s Mail application. You’ll find it in the Applications folder.
2. From the Mail menu, select Preferences. Click Junk Mail.
3. Select the Enable junk mail filtering check box. We strongly suggest that you leave junk mail in Training mode (leave it in my Inbox, but indicate it is junk mail.), at least for a couple of days, while you’re starting out. Leave the next three check boxes selected none of those people should be sending you spam.
4. Apple Mail can use be used to determine whether an email message is spam or benign. If your internet service provider tags email messages, check the last box (Trust junk mail headers set by my Internet Service Provider).
5. Apple also set advanced mail rules for spam, click the Advanced button. This is only for experienced users hence not typically recommend for newbies. It is for experienced users comfortable of using Apple Mail App for quite a while.
6. Close Mail’s Preferences. Mail will start looking for junk mail the next time you receive email. Messages that Mail thinks are spam are in brown text.
7. If you receive spam messages that Mail doesn’t recognize as junk, you can tell it that the message is spam. Simply select the message and click the Junk button on Mail’s toolbar. Mail will mark the message as junk and learn from its mistake. When Mail marks valid email messages as junk, click the Not Junk button on Mail’s toolbar. After a couple of days, you should notice that Mail is increasingly accurate at identifying spam.
8. Training mode is recommended for use for a week or two but can be disabled as soon as the user gets comfortable of using the Mail App. To disable the training mode, open Mail’s Preferences and select Automatic. From now on, Mail will automatically put spam into the Junk folder on the sidebar. You can occasionally glance at the email messages in that folder to make sure Mail is filtering out spam and not valid email messages.
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