Encrypting with an message expiration date

[David Shaw]

On Jan 2, 2010, at 11:10 PM, Faramir wrote:

> Allen Schultz escribió:
>> GnuPG-Users:
>>
>> Is there a way to force an expiration date when encrypting a message
>> for additional security. I have a friend who is inquiring. I've
>> already informed him of the "for his/her eyes only" option.
>
>  What is that option?

--for-your-eyes-only

But don't think it adds real security.  In OpenPGP, the FYEO option  
just sets a flag in the message that means (in effect), "Pretty  
please, with sugar on top, treat this as for your eyes only".  The  
recipient is free to ignore the flag and do whatever they like.

David