telnet 메일테스트 * 읽으면서 표시되는 부분 = 1. Telnet into Exchange server hosting IMS service using TCP port 25. Command is telnet 25 2. Turn on local echo on your telnet client so that you can see what you are typing. On Win 9x and NT 3.5/4.0 Telnet client this done by selecting the "preferences" from the "terminal" pull down menu, and checking the local echo radio button. For Windows 2000 telnet client, is..