How To Macs How to Help the Mac OS X Mail Junk Filter Identify Spam Share Pin Email Print cattu / Pixabay / Public Domain Macs Tips & Tricks Basics Guides & Tutorials Installing & Upgrading Key Concepts by Heinz Tschabitscher An independent writer who has reviewed hundreds of email programs and services since 1997. Updated October 19, 2016 Mac OS X Mail comes with one of the best spam filters you'll find in any email program. To make it work well for you, you have to help it a bit. Since the Bayesian-style spam filter of Mac OS X Mail relies on the type of spam as well as the type of good mail that you receive, you should tell it whenever it guesses wrong for a message. This helps to make the filter perform even better. Help the Mac OS X Mail Junk Filter Identify Spam To help the Mac OS X Mail junk filter identify spam by correcting its decisions: If Mac OS X Mail wrongly identifies a message as junkclick the Not Junk button.If Mac OS X Mail doesn't detect a message as spam that definitely isclick the Junk toolbar button orselect Message | Mark | As Junk Mail (or Message | Mark As Junk Mail) from the menu. Continue Reading