I have previously requested for all user password expiry dates to be set to a particular date. This was done immediately and is a useful re-set.
Can the password expiry be extended each time their record is updated or they log in? (eg my record is currently set with an expiry of 26/1/17, but if i log in tomorrow it updates to 27/1/17) - this will track 'dormant' candidates, with an expired password there's a reason to contact them and try to tempt them back.
You won't be notified about changes to this idea.