Quote:
Originally Posted by jskok
I have a program on my computer called Telnet(as does every other windows user). It can connect to any site on the port I specify. I can use this to connect to a mail server and send e-mail from any e-mail address I want to without logging into it. I have never done this to anyone's e-mail without permission first, but is this hacking or illegal?
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Umm, either you don't know what you're talking about, or you're trying to spread false information.
Telnet is rarely used anymore for outside-in access (and thus blocked by many firewalls), due to it's unencrypted passing of data, including username and password. Telnet is set up on only one port (usually Port 23), and requires a username and password to log into it with. SSH is the successor to Telnet, because of the way Telnet is so insecure.
But to answer your question, telnetting into a server in which you have not been granted access is illegal.