220 server01.domain.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959 ready at  Wed, 6 Feb 2008 09:48:30 -0500 
helo foo.bar
250 server01.domain.com Hello [xxx.yyy.www.zzz]
mailfrom: <me@foo.bar>
500 5.3.3 Unrecognized command
mail from: <me@foo.bar>
250 2.1.0 me@foo.bar....Sender OK
rcpt to: <fake@domain.com>
250 2.1.5 fake@domain.com 
data
354 Start mail input; end with <CRLF>.<CRLF>
crapster
.
250 2.6.0 <SERVER01TuGkmtK6E2k000001a2@server01.domain.com> Queued mail for delivery
quit
221 2.0.0 server01.domain.com Service closing transmission channel
Connection closed by foreign host.