The big difference with PGP and any other system that relies on SMTP is the possibility of mail relays between the sender and the recipient.
In the UK when a law enforcement agency has acquired an encrypted message they can force the key to be handed over.
If the message is deleted after having been sent and the recipient deletes it after reading it, then there is no risk that there are copies for the authorities to find.
Slashdot Mirror
In the UK when a law enforcement agency has acquired an encrypted message they can force the key to be handed over.
If the message is deleted after having been sent and the recipient deletes it after reading it, then there is no risk that there are copies for the authorities to find.
Remember Col. Oliver North USMC?