A r t i c l e s
Telnet Tips And Tricks
Tips for using Telnet on Gnu Linux (may apply to windows)
How to quit telnet?
Use QUIT in caps lock to quick. quit in lowercase will not work
CTRL-C and CTRL-Z on linux will not work. Again, use QUIT.
How to check or test sendmail?
To test to see if your sendmail is working, type in either of the following lines:
telnet yourdomain 25
telnet localhost 25
telnet 127.0.0.1 25
Then once you are in the telnet, type:
MAIL FROM: user1@domain1
RCPT TO: user2@domain2
Now type in
You should get a response back such as:
354 Enter mail, end with "." on a line by itself
Type in something and end everything with a dot on the last line, then hit enter. Then check your email for new messages.
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