You can send messages from the command line to any user using LanTalk XP software. Example: There's a special form on your webserver named Quick Message to Webmaster. Simply plug-in the send.exe command script and users can quickly send messages to the Webmaster's machine.
The send.exe application is in LanTalk XP folder.
How to use send.exe
Format: send.exe /server /text of message
Where: /server - target computer name /text of message - text to send
Example : To send a message to the computer name webmaster with text: "Hi! How are you?"
Use this: send.exe /webmaster /hi! how are you?