SMTP Commands

1.                   Type open mail1.fabrikam.com 25 and then press ENTER.

2.                   Type EHLO contoso.com and then press ENTER.

3.                   Type MAIL FROM:chris@contoso.com and then press ENTER.

4.                   Type RCPT TO:kate@fabrikam.com NOTIFY=success,failure and then press ENTER. The optional NOTIFY command defines the particular delivery status notification (DSN) messages that the destination SMTP server must provide to the sender. DSN messages are defined in RFC 1891. In this case, you are requesting a DSN message for successful or failed message delivery.

5.                   Type DATA and then press ENTER. You will receive a response that resembles the following:

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354 Start mail input; end with <CLRF>.<CLRF>

6.                   Type Subject: Test from Contoso and then press ENTER.

7.                   Press ENTER. RFC 2822 requires a blank line between the Subject: header field and the message body.

8.                   Type This is a test message and then press ENTER.

9.                   Press ENTER, type a period ( . ) and then press ENTER. You will receive a response that resembles the following:

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250 2.6.0 <GUID> Queued mail for delivery

10.               To disconnect from the destination SMTP server, type QUIT and then press ENTER. You will receive a response that resembles the following:

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221 2.0.0 Service closing transmission channel

11.               To close the Telnet session, type quit and then press ENTER.