(~) tinix@eslix $ telnet mail.silenceisdefeat.org 25
Trying 66.111.62.170...
Connected to mail.silenceisdefeat.org.
Escape character is '^]'.
220 brunner.silenceisdefeat.org ESMTP Postfix
HELO silenceisdefeat.org
250 brunner.silenceisdefeat.org
MAIL FROM: gordo@silenceisdefeat.org
250 Ok
RCPT TO: test@linuxinit.net  
554 <test@linuxinit.net>: Relay access denied
RCPT TO: gordo@silenceisdefeat.org
250 Ok
DATA
354 End data with <CR><LF>.<CR><LF>
test subject

testing telnet smtp
.
250 Ok: queued as 362DB126DB4
QUIT
221 Bye
Connection closed by foreign host.