Clint Adams portability enhancements Steven M. Bellovin author of public domain 'parsedate' function Nathan Bryant build system, security, database access, and others Art Cancro overall system design and lead developer Brian Costello cosmetics, additional commands Nick Georbit additional client features David Given IMAP and build patches Wilfried Goesgens build system patches Michael Hampton client software development Andru Luvisi troubleshooting and development assistance Daniel Malament string compare function for IMAP server Stu Mark additional client features, IGnet protocol design Edward S. Marshall RBL checking function design Ben Mehlman additional client features Ari Samson assistance with project management Trey Van Riper QA and portability enhancements John Walker author of public domain base64 encoder/decoder Steve Williams documentation Ethan Young IGnet protocol design