Who can register
Only these email addresses get past the email question on the registration form.
0on the list
0turned away
One address per line, or paste a column straight from Excel. Add @company.com to let a whole domain register. Changes reach the form within a minute of saving.
Check an address
Tests the saved list without logging anything.
Turned away
Addresses that were stopped at the email question, most recent first. Updates every 20 seconds; a new attempt can take up to a minute to appear.