For various reasons, applications originally installed by the Mac OS X Installer disc (DVD or CD) -- Mail.app, Activity Viewer, etc. -- can become unusable. This can occur due to user deletion, ...

If you get a lot of email you may want to revert to Mail’s Classic look. To achieve this open Mail Preferences and check out the Viewing tab. At the top of that tab you can choose “Use classic layout” ...

Mac OS X Mail has supported S/MIME e-mail signing and encryption for many years, and iOS 5 now brings this feature to the iPhone, iPod touch and iPad. Here's how to use it.

We have received several replies regarding yesterday's item on mail being deleted from the server while using OS X's Mail application. We received numerous confirmations of the problem, suggesting ...