I have been working on email stuff on and off for the last… forever.

One of the very handy and easy to use tools to have in one’s pocket for testing email functionality with a particular SMTP server is the ability to quickly send email through a selected server from the command line. Just like using telnet to test ports makes day-to-day IT life easier vs. having to grab and install some extra tool, so also does the ability to shoot emails off from a CLI.
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