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How to Forge Email with Windows XP Telnet
Want a computer you can telnet into and mess around with, and not get into trouble no matter what you do to it? I've set up my
techbroker.com (206.61.52.33) with user xyz, password guest for you to play with. Here's how to forge email to xyz@techbroker.com using
telnet. Start with the command:
C:\>telnet techbroker.com 25
Connecting To Techbroker.com
220 Service ready
Now you type in who you want the message to appear to come from:
helo santa@techbroker.com
Techbroker.com will answer:
250 host ready
Next type in your mail from address:
mail from:santa@techbroker.com
250 Requested mail action okay, completed
Your next command:
rcpt to:xyz@techbroker.com
250 Requested mail action okay, completed
Your next command:
data
354 Start main input; end with .
Newbie note: just means hit return. In case you can't see that little period between the s, what you do to end composing your email is to hit enter, type a period, then hit enter again.
Anyhow, try typing:
This is a test.
.
250 Requested mail action okay, completed
quit
221 Service closing transmission channel
Connection to host lost.
Using techbroker's mail server, even if you enable full headers, the
message we just composed looks like:

Posted in E-Book On Hacking XP