Does anyone know if a champion/challenger email in the Engagement program will still protect people from getting an email twice? What I mean is, Engagement streams make sure people who have received an email once won't get it again, but if I add a Champion/Challenger test that divides recipients up (Group A getting one version of the email and group B getting the other) will the addition of the second email in the test allow people to get that version even if they have already received the other version?
Cheers,
David