What about a possible leak from a 3rd party? Did you, by chance, use Mailbox? Do...

uptown on Feb 28, 2013 | parent | context | favorite | on: Why was my email leaked?

What about a possible leak from a 3rd party? Did you, by chance, use Mailbox? Do third-party apps (1Password, etc.) that sync using Dropbox get access to your email address?