You cannot invite previous customers to this event more than 1 time per 24 hour period.

You cannot invite previous customers to this event more than 3 times total.

You cannot select events that did not have any orders.

These requirements are in place to make sure you get the best possible response from your past cusotmers. Emailing customers too often increases the chance that they will unsubscribe from your emails.

These requirements are in place to make sure you get the best possible response from your past cusotmers. Emailing customers too often increases the chance that they will unsubscribe from your emails.