I use Constant Contact to send a newsletter to the employees at my organization.  I get a weekly list of active emails that I upload to add in any new hires.  The issue is that the list keeps getting bigger because new hires get added, but no one who leaves is removed.  Is there a way around this issue?   My thought is to purge the list every week, but I'm worried that the data associated with the contacts would not transfer if they are deleted and then reuploaded. ... View more