We've been asked to send a one-time email to a list of 30,000 people who will be imported into our account from a spreadsheet. The plan is to delete the new contacts after the mailing is sent, so I know there is a possibility of accidentally deleting people on other lists. And I know there will be an additional cost, which was approved. Is there anything else we should consider/be aware of before we move forward?
... View more
