Database Sorting

We are looking for a vendor to take an email database of approximately 1.2 million email addresses and purge it of dead email addresses and other undesirable email addresses. We will provide three email databases: Database #1 - a database of approximately 1.2 million email addresses Database #2 - a database of approximately 650,000 dead, hard bounce email addresses Database #3 - a database of approximately 6 million undesirable email addresses You are to have your software compare the database of 1.2 million emails to the Databases #2 and #3. Any emails that are in Database #2 or Database #3 that are also in Database #1 must be removed from Database #1. The deliverables are two files in TXT format: - Database #1 purged of all email addresses that are found in Database #2 and Database #3 - a list of the emails in Database #2 and Database #3 that were found in Database #1 With your bid **YOU MUST INCLUDE TWO THINGS**: - What software you will be using to do this project - how long this project will take to complete