Have you ever noticed the miniature icon that sits next to a window’s name in its title bar? It’s more than just a decoration. In many instances, you can work with this icon—known as the proxy ...

Power users already know about the magic of the proxy icon—the tiny icon that appears in the title bar of most windows. But Hints reader arti.66 found a unique benefit to the proxy icon in Apple Mail.

The US National Institute of Standards and Technology, or NIST, defines a proxy server as “a server that services the requests of its clients by forwarding those requests to other servers.” ...