* for the first 2 runs you should have the mail text the same and keep the deleting of the user commented out (line 54 in initial commit). After the first 2 runs you should change the first mail text to send out a mail that the account has been deleted because of inactivity and not reacting to the prior sent mails.
* change the variables at the begin of the script to your site settings.
* you can change the mail command from `-b ${siteadmin} -- ${usermail}` to `-- ${siteadmin}` and comment out all lines with `bin/console user delete` statement for testing runs