/usr/bin/sup-add
/usr/bin/sup-config
/usr/bin/sup-dump
/usr/bin/sup-import-dump
/usr/bin/sup-mail
/usr/bin/sup-psych-ify-config-files
/usr/bin/sup-recover-sources
/usr/bin/sup-sync-back-maildir
/usr/bin/sup-sync
/usr/bin/sup-tweak-labels
You may install this package on Debian with
apt-get
install sup-mail