telnet london 25

220 mail.Yourserver.net Microsoft ESMTP MAIL Service, Version: 5.0.219
5.4905 ready at Thu, 30 May 2002 21:26:22 +1200 

HELO

250 mail.Yourserver.net Hello [192.168.1.2]

MAIL FROM:test@test.com

250 2.1.0 test@test.com....Sender OK

RCPT TO:someone@somewhere.com

250 2.1.5 someone@somewhere.com

DATA

354 Start mail input; end with .


Subject: Whatever

Reply-To: whoever@wherever.com

Your message....

.

250 2.6.0 Queued mail for delivery

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