Within a month, Lavabit still had not complied to the court's satisfaction—in fact he handed over pages of the key typed in 4-point font—and Levison was ordered to pay a $5,000 fine for each day he did not comply. On August 8, he shuttered Lavabit entirely, destroying the company’s servers.
http://arstechnica.com/tech-policy/2013/10/lavabit-defied-or...
just in case you're wondering (I was)