I need a database set up where we can import 1 million accounts (from excel sheets) so that I can easily search accounts. For example - look up all accounts that were mailed last month. This way we won't mail them again. It is very basic, but it must be easy to use. each user will be assigned an ID. We should register a group of ID's for a mailing campaign... then we can omit those campaigns when searching for new data to mail to.
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