PGP Open Encryptor Interface 1.1 for Pegasus (also known as WinPMail) 2.23 and above. According to the author, John Navas:
This interface is designed to work only with Pegasus Mail for Windows Version 2.23 and above, one of the very best email packages, and one that is completely free (as is this interface). Information on Pegasus Mail is available at http://www.cuslm.ca/pegasus/
The latest information on and the latest version of PGPJN is always available at http://web.aimnet.com/~jnavas/winpmail.htm
Jens von Pilgrim has written a front-end to the Pegasus mailer running
under NT and
Windows95.
It requires, and is supplied with, his DLL implementation available as
pgp263idllu.zip.
Full details are available at
http://www.gwdg.de/~jpilgri/jvppgp.