Opens the passphrase dialog window. The passphrase entered, if correct, will be stored by IMP until your session ends.
Removes the stored passphrase from IMP - any additional usage of the private key will require you to reenter the passphease.
Opens a window to view the PGP private key. DO NOT SEND THIS KEY TO ANYONE - this option is strictly so that you can export your IMP personal private key for use in another program.
Displays some details about the PGP private key.