The latest version, 1.6 is available at:
ftp://ftp.x.org:/contrib/applications/xmail_1.6.tar.gz
ftp://ftp.uni-trier.de:/pub/unix/X11/R6/xc/programs/xmh
Note that most other sites still archive the R5 version and the patches to take it up to R6.
exmh, developed by Brent Welch, is a Tcl/Tk-based (3.3 to 4.1)
wrapper to the MH (6.7 or 6.8) mail-handling system.
The latest version, 1.6.7, is available at: ftp://ftp.sunlabs.com:/pub/tcl/exmh/exmh-1.6.7.tar.Z The following packages are also required:
ML, developed by Mike Macgirvin, is an IMAP mail client. It features, among other things:
ML requires X11R4, Motif 1.2, IMAP2bis, and optionally PGP 2.6.2.
The latest version, 1.1.1a is available at:
ftp-camis.stanford.edu:/pub/ml/ml.tar.Z
Pre-compiled binaries are available for SunOS, Solaris and linux in:
ftp-camis.stanford.edu:/pub/ml