sendmail : mail not delivered

[John Arthur]

Content-Disposition: inline
Message-Id: <200703212201.52110.gatopardo at codetel.net.do>
X-RedHat-Blacklist-Warning: Relay 200.88.224.107 is blacklisted by a RBL
system
X-RedHat-Spam-Score: 0.479 
X-loop: fedora-list at redhat.com

> to=<rfnunez at hotmail.com>, ctladdr=<felipe at bizet.sys.linux> (601/600), 

Hmm... 

Sending from a blacklisted IP address using a non existant (fraudulent?)
controlling user address.

If you're not a SPAMMER you're sure trying to look like one and you're
having trouble sending mail to more than just Hotmail. You just do not
know it yet...

> relay=mx2.hotmail.com. [65.54.244.168], dsn=5.0.0, 

DSN 5.0.0 means permanent failure - i.e. They will melt down into a pile
of slag before they will accept mail from you.

John