Hi, I'm trying to import a list of email addresses from a competition I've run (with email opt in explicitly requested). I'd like to add these emails to my profiles, without overriding existing customers details.I have the emails in a csv list.When I import them and the update profiles (insert only - no updates), I get an error because a few thousand of the emails already exist (existing customers that entered the competition). This stops the uploading of the new emails (new customers who don't ...