Blocked UsersIf you are using IP blocking, you will be blocked if anyone has voted using the same IP address. This can happen if you are behind a corporate/university firewall, or if you are accessing the poll through an internet service that uses shared gateways.
Turning off IP blocking altogether will prevent this, but may encourage cheating on your poll. Try using a reset-time such as 5-10 minutes on the IP blocking so that each IP is blocked for a short time after voting before being released. Using this option alongside cookie blocking generally gives good results.
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