telnet mail.myserver.com 25
Trying 202.51.x.xxx...
Connected to mail.myserver.com.
Escape character is '^]'.
220 mail.myserver.com ESMTP Postfix
helo client.server.com
250 mail.myserver.com
mail from: rockyjr@vsnl.com
250 Ok
rcpt to: vivek@nixcraft.in
554 : Relay access denied
I really love telnetting to raw ports, I know, I'm weird, but it's good for the soul.
