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Feb 152012
 

Sending email using raw SMTP commands

Answer:

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
Trying 127.0.0.1...
Connected to localhost.localdomain.
Escape character is '^]'.
220 smtp.example.com ESMTP Postfix (Ubuntu)
helo localhost
250 smtp.example.com
mail from: [email protected]
250 2.1.0 Ok
rcpt to: [email protected]
250 2.1.5 Ok
data
354 End data with .
This is a test mail
.

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

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