Windows includes tools for managing and monitoring TCP/IP. Whether you're troubleshooting a computer or simply looking for more information to configure it, there are five commands that can come in ...

Thunderbird only (Windows/Mac/Linux): Experimental Thunderbird extension SendVia changes your outgoing SMTP mail server on the fly while composing a message. Using the extension is as simple as ...

On my Mac — which I'm pretty sure is the same for PC — I use an airport network at home with Earthlink DSL, a Time Warner DSL at my boyfriends, and different WiFi networks elsewhere. My complaint: ...

Many Mail.app users are experiencing an problem in which the application will not send. The Mail application receives incoming messages properly, but when users attempt to send messages they are ...

I have a client who has a Windows 2003 server with Exchange 2003. They access Exchange 2003 a number of different ways; some via OWA, some via Outlook 2003, and others via Entourage 2004 (Mac). The ...