The Recover Deleted Messages add-on helps you better manage and restore the original content of your e-mails, especially if the trash folder has not been compacted yet. To use it, select the folder, right-click and choose "Recover deleted messages", then follow the messages in status bar.NOTE: The Recover Deleted Messages  add-on is cross-platform and it works on Mac OS X, Windows and Linux.Requirements:

Ссылка: http://nic-nac-..smos/recoverDeletedMessages-0.1.xpi