/usr/share/menu/email-reminder is in email-reminder 0.7.8-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ?package(email-reminder):needs="X11" section="Applications/Office"\
title="Email-Reminder" command="/usr/bin/email-reminder-editor"
|