This report can be ran via cron and emailed as often as needed. Actually removing users will require manual intervention.
Example output:
uid "test" not found for:
http://ucommfairchild.unl.edu/unlcms/newsite/
run: drush-all-sites.php user-remove-role 'Site Admin' --uid='test'
Total not found: 1
(jellycup)
This report can be ran via cron and emailed as often as needed. Actually removing users will require manual intervention.
Example output: