Good question! If an email address is in both goups (segments or lists), they will not receive the email. The logic is pretty much like this: Send to group A, but exclude any members in group A who are also in group B.
Good question! If an email address is in both goups (segments or lists), they will not receive the email. The logic is pretty much like this: Send to group A, but exclude any members in group A who are also in group B.