From b36229042a0136cc12b68ad5a9eafe9ba3da3eba Mon Sep 17 00:00:00 2001
From: ralf401 <rsc@zammad.com>
Date: Wed, 26 Jul 2023 09:50:28 +0200
Subject: [PATCH] Fixes #312 - PGP: Add GnuPG to the server requirements

* Added GnuPG in software prerequisites

* Changed GnuPG prerequisite

* Added GPG_PATH
---
 appendix/configure-env-vars.rst | 12 ++++++++++++
 prerequisites/software.rst      |  8 ++++++++
 2 files changed, 20 insertions(+)

diff --git a/appendix/configure-env-vars.rst b/appendix/configure-env-vars.rst
index 6478185e..b05a377d 100644
--- a/appendix/configure-env-vars.rst
+++ b/appendix/configure-env-vars.rst
@@ -55,6 +55,18 @@ APP_RESTART_CMD
       that you have to allow the Zammad user via e.g. ``sudoers`` to run
       the required restart command.
 
+GPG_PATH
+   Defines the path to the GPG installation.
+
+   Default: **unset**
+
+   .. note::
+
+      Define the path if you installed Zammad from Source, if you want to use
+      different versions of PGP on your machine or if your PGP installation
+      differs from the standard installation.
+
+
 RAILS_LOG_TO_STDOUT
    Print output directly to standard output
    instead of ``/var/log/zammad/production.log``.
diff --git a/prerequisites/software.rst b/prerequisites/software.rst
index 8033d1bb..86a9c404 100644
--- a/prerequisites/software.rst
+++ b/prerequisites/software.rst
@@ -309,3 +309,11 @@ An Elasticsearch plugin is required to index the contents of email attachments:
          Configuration and installation is out of our scope.
          Please follow the official vendor guides and ensure to have a
          tight security on your installation.
+
+2.10 GnuPG (optional)
+---------------------------------------------
+If you want to use the PGP integration for sending and receiving signed and
+encrypted emails, you need to install the GnuPG-Tools.
+Please have a look at the official `GnuPG website`_.
+
+.. _GnuPG website: https://www.gnupg.org/index.html
\ No newline at end of file