Sounds a bit like...
"To participate, bidders must deposit $1m in escrow, however."
Dear Valuable Website Person,
I have come into in my possesions a greatest website name! We want to trade with you because of your great reputations! The fantastical web address name could be yours very soon, is good!
Please deposit $1,000,000 with our super-reliable, not fraudulent at all escrow company as a sign of good faith and we can deal! Yes!
Kindest regards,
King Juan N'zimba, Nigeria