I have a survey invitation to send out to contacts with multiple email addresses per person. Is there a way to make sure a contact only answers the survey once?

@Charlotte_D If you have a way to make them authenticate then you may be able to block multiple attempts that way. For instance, have them enter an ID number and if that number has already been entered they cannot access the survey.

I think I've solved it. I'll created a contacts file with one entry per person, create personal links for them and download the CSV file and copy the same personal link for one person to each of that person's email addresses and mail through my system.

Contacts with multiple e-mails | Experience Community

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