This project is not covered by Drupal’s security advisory policy.

OpenPGP is the most widely-used e-mail encryption standard in the world. Originally derived from PGP (Pretty Good Privacy), first created by Phil Zimmermann in 1991, the standard is now defined by the IETF in RFC 4880.

This module provides encryption for Drupal's outgoing e-mails using GNU Privacy Guard, an open-source implementation of the OpenPGP standard.

This module requires PHP 5.2 or newer. In addition, the GnuPG command-line tools, specifically the gpg executable, must be installed on the web server.

This project is developed and maintained by Arto Bendiken and deprecates the older GnuPG module.

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