Which is when they were caught, emails bounced and they noticed the excel sheet rows matched the total limit in Excel.
So apparently the M&A team trusted the startup was successful when purchasing without seeing the customer list. Most startups get reputation through their press + fancy VC backers giving social credit + a good slide deck, which apparently was enough.
> Javice agreed to provide in the template actual customer data for all fields except email and home street addresses; those she agreed to provide as a “unique ID” due to alleged privacy concerns.
So they did verify it but didn't catch it until the real list was sent.
You can read the timeline (from paragraph 63 onwards) here:
https://www.documentcloud.org/documents/23570243-frank_suit/...