Free Email (PGP) Encryption Resources
The International PGP Home Page
Here you may download the latest freeware PGP version for your platform. The site also has links to pgp faqs, pgp documentation and other pgp resources.
MIT Distribution Center for PGP (Pretty Good Privacy)
MIT distributes PGP Freeware without cost for personal, non-commercial use. PGP is distributed by MIT only to U.S. citizens in the United States, or to Canadian citizens in Canada.
GnuPG is a complete and free replacement for PGP. Because it does not use the patented IDEA algorithm, it can be used without any restrictions.
PGP Tutorials for Beginners to Encryption
A couple of pgp tutorials.
How PGP works
Chapter 1 from Introduction to Cryptography that describes the concepts of PGP.
Introduction to Cryptography
The rest of "Introduction to Cryptography" can be downloaded in pdf format from this webpage.
These freeware COM Object Wrappers to PGP are designed to be used from ASP, Visual Basic, the Windows Scripting Host, MS Office VBA, Java, Delphi, Visual C++ etc.
PGP: Public Key Servers
Information about using the servers as well as a list of pgp public key servers.
Windows Privacy Tools
Windows Privacy Tools (WinPT) is a collection of multilingual applications for digital encryption and signing of content. WinPT is GnuPG-based, compatible with OpenPGP compliant software (like PGP) and free for commercial and personal use under the GPL. WinPT Tray is a "Frontend" which allows access to the Gnu Privacy Guard (GnuPG) encryption engine. WinPT Tray is a Windows? application which resides in the System Tray. WinPT Tray contains no crypto routines so it may be exported freely to any country in the world.
The PGPsendmail / Unix Suite Home Page
This is the home page for the PGPsendmail/Unix Suite, a collection of programmes to ease the use of PGP (Pretty Good Privacy, a widely used encryption package available for Unix, MS-Windows, Macintosh and other platforms). PGPsendmail/Unix is particularly helpful when sending and receiving PGP-encrypted email.