4 files changed, 37 insertions, 6 deletions
diff --git a/collectors/python.d.plugin/postfix/Makefile.inc b/collectors/python.d.plugin/postfix/Makefile.inc
new file mode 100644
index 000000000..f4091b217
--- /dev/null
+++ b/collectors/python.d.plugin/postfix/Makefile.inc
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# THIS IS NOT A COMPLETE Makefile
+# IT IS INCLUDED BY ITS PARENT'S Makefile.am
+# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT
+
+# install these files
+dist_python_DATA       += postfix/postfix.chart.py
+dist_pythonconfig_DATA += postfix/postfix.conf
+
+# do not install these files, but include them in the distribution
+dist_noinst_DATA       += postfix/README.md postfix/Makefile.inc
+
diff --git a/collectors/python.d.plugin/postfix/README.md b/collectors/python.d.plugin/postfix/README.md
new file mode 100644
index 000000000..77c95ff44
--- /dev/null
+++ b/collectors/python.d.plugin/postfix/README.md
@@ -0,0 +1,15 @@
+# postfix
+
+Simple module executing `postfix -p` to grab postfix queue.
+
+It produces only two charts:
+
+1. **Postfix Queue Emails**
+ * emails
+
+2. **Postfix Queue Emails Size** in KB
+ * size
+
+Configuration is not needed.
+
+---
diff --git a/python.d/postfix.chart.py b/collectors/python.d.plugin/postfix/postfix.chart.py
index a2129e4be..bdbd0feea 100644
--- a/python.d/postfix.chart.py
+++ b/collectors/python.d.plugin/postfix/postfix.chart.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 # Description: postfix netdata python.d module
 # Author: Pawel Krupa (paulfantom)
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 from bases.FrameworkServices.ExecutableService import ExecutableService
 
@@ -14,22 +15,24 @@ ORDER = ['qemails', 'qsize']
 
 CHARTS = {
     'qemails': {
-        'options': [None, "Postfix Queue Emails", "emails", 'queue', 'postfix.qemails', 'line'],
+        'options': [None, 'Postfix Queue Emails', 'emails', 'queue', 'postfix.qemails', 'line'],
         'lines': [
             ['emails', None, 'absolute']
-        ]},
+        ]
+    },
     'qsize': {
-        'options': [None, "Postfix Queue Emails Size", "emails size in KB", 'queue', 'postfix.qsize', 'area'],
+        'options': [None, 'Postfix Queue Emails Size', 'emails size in KB', 'queue', 'postfix.qsize', 'area'],
         'lines': [
-            ["size", None, 'absolute']
-        ]}
+            ['size', None, 'absolute']
+        ]
+    }
 }
 
 
 class Service(ExecutableService):
     def __init__(self, configuration=None, name=None):
         ExecutableService.__init__(self, configuration=configuration, name=name)
-        self.command = "postqueue -p"
+        self.command = 'postqueue -p'
         self.order = ORDER
         self.definitions = CHARTS
 
diff --git a/conf.d/python.d/postfix.conf b/collectors/python.d.plugin/postfix/postfix.conf
index e0d5a5f83..e0d5a5f83 100644
--- a/conf.d/python.d/postfix.conf
+++ b/collectors/python.d.plugin/postfix/postfix.conf