AOL Can Break Rules

While testing an SMTP connection to AOL's mail servers, I got this awesome syntax error response when I forgot to put a space between "MAIL" and "FROM":

220-mtain-mi12.r1000.mx.aol.com ESMTP Internet Inbound

220-America Online (AOL) and its affiliated companies do not
220-authorize the use of its proprietary computers and compuer
220-networks to accept, transmit, or distribute unsolicited bulk
220-e-mail sent from the internet
220-
220-Effective immediately:
220-AOL may no longer accept connections from IP addresses
220 which no do not have reverse-DNS (PTR records) assigned.
HELO paulhite.com
250 mtain-mi12.r1000.mx.aol.com
MAILFROM:test@paulhite.com
221 2.7.0 Error: I can break rules, too. Goodbye.
Connection to host lost.

Yes you can.