diff --git a/docs/conf.py b/docs/conf.py
index bf4993c..b920005 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -23,10 +23,11 @@ import mock
 MOCK_MODULES = [
     "alsaaudio",
     "netifaces", "psutil",
-    "lxml", "lxml.html", "lxml.cssselect",
+    "lxml.html", "lxml.cssselect", "lxml",
     "praw",
-    "gi.repository", "dbus",
-    "pywapi", "basiciw"
+    "gi.repository", "dbus.mainloop.glib", "dbus",
+    "pywapi", "basiciw",
+    "i3pystatus.pulseaudio.pulse"
 ]
 
 for mod_name in MOCK_MODULES:
diff --git a/docs/i3pystatus.rst b/docs/i3pystatus.rst
index 4a6dbd5..b4f0e98 100644
--- a/docs/i3pystatus.rst
+++ b/docs/i3pystatus.rst
@@ -1,10 +1,15 @@
 Module reference
 ================
 
-.. The contents of this file are automatically extended in-memory by
-   the module_docs extension (see docs/module_docs.py).
-   Do not change the whitespace after the following directive.
-   Sincerely, your past self.
+.. autogen:: i3pystatus Module
 
-.. note:: List of all modules;
+    .. note:: List of all modules:
 
+.. _mailbackends:
+
+Mail Backends
+-------------
+
+.. autogen:: i3pystatus.mail SettingsBase
+
+   .. nothin'
diff --git a/docs/module_docs.py b/docs/module_docs.py
index 58d8199..e065400 100644
--- a/docs/module_docs.py
+++ b/docs/module_docs.py
@@ -1,9 +1,17 @@
 
 import pkgutil
+import importlib
 
 import sphinx.application
+from docutils.parsers.rst import Directive
+from docutils.nodes import paragraph
+from docutils.statemachine import StringList
 
 import i3pystatus.core.settings
+import i3pystatus.core.modules
+from i3pystatus.core.imputil import ClassFinder
+
+IGNORE_MODULES = ("__main__", "core")
 
 
 def is_module(obj):
@@ -12,7 +20,6 @@ def is_module(obj):
             and not obj.__module__.startswith("i3pystatus.core.")
 
 
-
 def process_docstring(app, what, name, obj, options, lines):
     class Setting:
         doc = ""
@@ -51,8 +58,7 @@ def process_docstring(app, what, name, obj, options, lines):
 
             return formatted
 
-
-    if is_module(obj):
+    if is_module(obj) and obj.settings:
         lines.append(".. rubric:: Settings")
         lines.append("")
 
@@ -65,29 +71,76 @@ def process_signature(app, what, name, obj, options, signature, return_annotatio
         return ("", return_annotation)
 
 
-def source_read(app, docname, source):
-    ignore_modules = ("__main__", "mkdocs", "core")
+def get_modules(path):
+    modules = []
+    for finder, modname, is_package in pkgutil.iter_modules(path):
+        if modname not in IGNORE_MODULES:
+            modules.append(get_module(finder, modname))
+    return modules
 
-    def get_modules(path):
-        modules = []
-        for finder, modname, is_pkg in pkgutil.iter_modules(path):
-            if modname not in ignore_modules:
-                modules.append("i3pystatus." + modname)
-        return modules
 
-    if docname == "i3pystatus":
-        modules = sorted(get_modules(i3pystatus.__path__))
+def get_module(finder, modname):
+    fullname = "i3pystatus.{modname}".format(modname=modname)
+    return (modname, finder.find_loader(fullname)[0].load_module(fullname))
 
-        for mod in modules:
-            # sphinx seems to discard .append()ed items
-            source[0] += "    *  :py:class:`~{}`\n".format(mod)
 
-        for mod in modules:
-            source[0] += (".. automodule:: " + mod + "\n" +
-                          "    :members:\n\n")
+def get_all(module_path, basecls):
+    mods = []
+
+    finder = ClassFinder(basecls)
+
+    for name, module in get_modules(module_path):
+        classes = finder.get_matching_classes(module)
+        found = []
+        for cls in classes:
+            if cls.__name__ not in found:
+                found.append(cls.__name__)
+                mods.append((module.__name__, cls.__name__))
+
+    return sorted(mods, key=lambda module: module[0])
+
+
+def generate_automodules(path, basecls):
+    modules = get_all(path, basecls)
+
+    contents = []
+
+    for mod in modules:
+        contents.append("    *  :py:mod:`~{}`".format(mod[0]))
+    contents.append("")
+
+    for mod in modules:
+        contents.append(".. automodule:: {}".format(mod[0]))
+        contents.append("    :members: {}\n".format(mod[1]))
+
+    return contents
+
+
+class AutogenDirective(Directive):
+    required_arguments = 2
+    has_content = True
+
+    def run(self):
+        # Raise an error if the directive does not have contents.
+        self.assert_has_content()
+
+        modname = self.arguments[0]
+        modpath = importlib.import_module(modname).__path__
+        basecls = getattr(i3pystatus.core.modules, self.arguments[1])
+
+        contents = []
+        for e in self.content:
+            contents.append(e)
+        contents.append("")
+        contents.extend(generate_automodules(modpath, basecls))
+
+        node = paragraph()
+        self.state.nested_parse(StringList(contents), 0, node)
+        return [node]
 
 
 def setup(app: sphinx.application.Sphinx):
-    app.connect("source-read", source_read)
+
+    app.add_directive("autogen", AutogenDirective)
     app.connect("autodoc-process-docstring", process_docstring)
     app.connect("autodoc-process-signature", process_signature)
diff --git a/i3pystatus/mail/__init__.py b/i3pystatus/mail/__init__.py
index f16282e..c028e39 100644
--- a/i3pystatus/mail/__init__.py
+++ b/i3pystatus/mail/__init__.py
@@ -17,7 +17,7 @@ class Mail(IntervalModule):
     """
     Generic mail checker
 
-    The `backends` setting determines the backends to use.
+    The `backends` setting determines the backends to use. For available backends see :ref:`mailbackends`
     """
 
     _endstring = """!!i3pystatus.mail!!"""