PayPal and Mailpile, the scrappy secure mail startup ended the week on a high note: hugging it out (via Twitter) after the online payments behemoth froze more than $40,000 in payments to the crowd-funded startup then donated $1,000 to the project, to boot. But making it right with the tiny secure email firm is just the beginning of the story at PayPal, which is making the whole mix-up as something of an object lesson in how it needs to change to address a fluid and fast-moving online payments market. First, some background: Mailpile, of Reykjavík, Iceland, has raised more than $145,000 in a month-long campaign on the crowd funding web site Indiegogo.com to build a “fast, web-mail client with user-friendly encryption and privacy features.” Beginning on Saturday, PayPal froze more than $40,000 of those donations, suspecting fraud. The company’s spokespeople told company executive Brennan Novak that it wanted to see […]