Have you selected the correct unsubscribe list?
Has the correct domain name been selected that points to the event website?
Have you setup the correct custom ‘From Email Address’ and ‘Reply Email Address’?
Are the ‘From Email Addresses’ and the ‘Reply Email Addresses’ consistent with the selected domain name?
Are the ‘From Email Addresses’ and ‘Reply Email Address’ consistent with each other? Do their domains match?
Have you selected the correct boilerplate?
Have you selected the correct suppression lists?
Thanks for submitting!