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Feb 152012

Sending email using raw SMTP commands


You can send email(s) by connecting to your SMTP server, and using raw SMTP commands.

E.g. assume your SMTP is localhost, listening port 25, enter the commands in bold

# telnet localhost 25
Connected to localhost.localdomain.
Escape character is '^]'.
220 ESMTP Postfix (Ubuntu)
helo localhost
mail from:
250 2.1.0 Ok
rcpt to:
250 2.1.5 Ok
354 End data with .
This is a test mail

250 2.0.0 Ok: queued as BA2FD1DB96
221 2.0.0 Bye
Connection closed by foreign host.

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