- RFC 1870, defining a mechanism to allow SMTP clients and servers to avoid transferring messages so large that they will be rejected;
- RFC 2017, defining a (rarely implemented) means to allow MIME messages to contain attachments whose actual contents are referenced by a URL;
- RFC 2047 amended by RFC 2231, defining a mechanism to allow non-ASCII characters to be encoded in text portions of a message header (but not in email addresses);
- RFC 3461 obsoleting RFC 1891,
- RFC 3463 obsoleting RFC 1893,
- RFC 3464 obsoleting RFC 1894, which together define a standard mechanism for reporting of delivery failures or successes in Internet email; and
- RFC 3834, standards for processes that automatically respond to electronic mail.
He has also written or co-written RFCs on other topics, including
- RFC 2964, Use of HTTP State Management (recommending constraints on the use of "cookies" to address privacy concerns);
- RFC 3205, On the use of HTTP as a Substrate (discussing the use of HTTP as a layer underneath other protocols); and
- RFC 3056, describing the 6to4 mechanism for tunneling IPv6 packets over an IPv4 network.
From 1996 to 1999 he served as a member of the Internet Engineering Steering Group as one of two co-directors for the Applications Area.
He was born in Nashville, Tennessee, United States of America. He earned a Bachelor of Science degree in Electrical Engineering from Tennessee Technological University in 1985, and a Master of Science degree in Computer Science from the University of Tennessee in 1996.
- Internet Engineering Task Force. "Past IESG Members and IETF Chairs", accessed 16 February 2011.