How to Send Email Using Telnet
At Least 2 or 3 times a year I have to test email via a telnet session. You’d think I’d remember the commands, but I’m getting old and keep forgetting 🙂
I want to document them here to make it easy for me to come back to find.
Telnet mail.server.com 25
mail from: email@example.com
rcpt to: firstname.lastname@example.org
subject: put something here
<type message body>
Remember you can’t use the backspace when entering the first 3 commands.
Also if you get errors with the mail from or mail to you may have a mail relay issue.
If you need screenshots or more details check out wikihow
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