... that Mail misses, click the message, and then click the Junk button at the top of its window (identified in Figure 19-5), or the Junk icon on the toolbar. On the other hand, if Mail flags ... 19 .6. 1. Using the Junk Mail Filter You'll see the effects of Mail's spam filter the first time you check your mail: A certain swath of message titles appears in color. These are the ... gently on the wrist by clicking the Not Junk button. Over time, Mail gets better and better at filtering your mail; it even does surprisingly well against the new breed of image only spam. The trouble...