imap-2004 is a major release. Programs written for the previous release (imap-2002e) should build with this version with minor modification.
imap-2004 is available at: ftp://ftp.cac.washington.edu/mail/imap-2004.tar.Z (MD5 checksum: ec3dafeeae320457a1d098157e9bf969)
Perhaps the most significant addition is IPv6 support in the UNIX and Windows 2000/XP support code. IPv6 is now the default for Windows 2000/XP; to get IPv6 support for UNIX include "IP=6" on the make command line.
Users will also notice that mailutil has three new commands: delete, rename, and prune. Refer to the mailutil man page for more details on these new functionalities.
More details are in the release notes, in the imap-2004/docs/RELNOTES.
-- Mark --
http://staff.washington.edu/mrc Science does not emerge from voting, party politics, or public debate. Si vis pacem, para bellum.