I dunno if I trust NAI. I use PGP 6.5.8 downloaded from MIT:

[url]http://web.mit.edu/network/pgp.html[/url]

Here's some more PGP links:

Tom McCune's PGP page: [url]http://www.mccune.**/PGP.htm[/url]

Father Bill Morton's PGP page: [url]http://www.clark.net/pub/rothman/morton.htm[/url]

How PGP works: [url]http://www.pgpi.org/doc/pgpintro/[/url]

PGP installation guide (PDF format requires Adobe Acrobat Reader):

[url]http://www.pgpi.org/doc/guide/6.0/en/install/[/url]