Password change

Is there away to make a user on when they first login change their password? reason i ask i am doing a cut over and would like to send out letters saying here is your username and password i wantto make it that once they login it makes them change their password i am using usermanger and hotspot on a mikrotik 1100

Hi,

just stupid idea: initial password like this “OgVijeshk7sovdefOirkOinQuoijghansOatEan(” or longer will make users definitely change it …