Sometimes you need to just telnet to an SMTP server and talk to it a little, make sure things are going well. Here’s what to say when it opens the door and invites you in…

Here are the basic steps:

MAIL FROM: who@where.com
RCPT TO: someone@else.com
DATA

Now you need to enter the message itself. You can fake some headers like:

To: whoever
From: me

Put in a blank line between the headers and the body.

Here’s a little message.
.

Note the period on it its own line to end the message.

That should do it.

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