With Email Verification on, the User Verification addon can automatically delete users who haven’t verified their email within 30 days of registering.
To turn it on, go to Users > Settings, open the User Verification tab and tick Automatically Remove Users. The option only appears when Email Verification is ticked under Verification Method.
The check runs once a day. Only users who haven’t verified their email are removed. If you also use Manual Approval, a user who has verified their email and is only waiting for your approval is never removed.
If you turn Email Verification off, nobody is removed, even if this option was ticked.
See Managing signups for how verification works.
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