diff --git a/plinth/modules/email/aliases.py b/plinth/modules/email/aliases.py
index 1df0c849d..3804ff290 100644
--- a/plinth/modules/email/aliases.py
+++ b/plinth/modules/email/aliases.py
@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
-"""Manage email aliases."""
+"""
+Manage email aliases stored in sqlite database.
+"""
 
 import contextlib
 import pwd
diff --git a/plinth/modules/email/forms.py b/plinth/modules/email/forms.py
index d23fe49e5..f97721dd0 100644
--- a/plinth/modules/email/forms.py
+++ b/plinth/modules/email/forms.py
@@ -2,6 +2,7 @@
 """
 Forms for the email app.
 """
+
 import re
 
 from django import forms
diff --git a/plinth/modules/email/manifest.py b/plinth/modules/email/manifest.py
index 676a4c2e6..6d387771d 100644
--- a/plinth/modules/email/manifest.py
+++ b/plinth/modules/email/manifest.py
@@ -1,4 +1,7 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
+"""
+Application manifest for email.
+"""
 
 from django.utils.translation import gettext_lazy as _
 
diff --git a/plinth/modules/email/privileged/__init__.py b/plinth/modules/email/privileged/__init__.py
index e262acc89..8591aa98c 100644
--- a/plinth/modules/email/privileged/__init__.py
+++ b/plinth/modules/email/privileged/__init__.py
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 """
-Provides diagnosis and repair of email server configuration issues
+Provides privileged actions that run as root.
 """
 
 from . import aliases, dkim, domain, home, postfix, spam, tls
diff --git a/plinth/modules/email/privileged/aliases.py b/plinth/modules/email/privileged/aliases.py
index 6edba5865..78e4ea62b 100644
--- a/plinth/modules/email/privileged/aliases.py
+++ b/plinth/modules/email/privileged/aliases.py
@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
-"""Privileged operations for managing aliases."""
+"""
+Privileged operations for managing aliases.
+"""
 
 import pathlib
 import shutil
diff --git a/plinth/modules/email/privileged/domain.py b/plinth/modules/email/privileged/domain.py
index 6d32238cd..062b24917 100644
--- a/plinth/modules/email/privileged/domain.py
+++ b/plinth/modules/email/privileged/domain.py
@@ -1,5 +1,7 @@
-"""Configure email domains"""
 # SPDX-License-Identifier: AGPL-3.0-or-later
+"""
+Configure domains accepted by postfix.
+"""
 
 import pathlib
 import re
diff --git a/plinth/modules/email/privileged/spam.py b/plinth/modules/email/privileged/spam.py
index e21139c24..7d36e587c 100644
--- a/plinth/modules/email/privileged/spam.py
+++ b/plinth/modules/email/privileged/spam.py
@@ -1,5 +1,7 @@
-"""Configures spam filters and the virus scanner"""
 # SPDX-License-Identifier: AGPL-3.0-or-later
+"""
+Configures rspamd to handle incoming and outgoing spam.
+"""
 
 import pathlib
 import re
diff --git a/plinth/modules/email/privileged/tls.py b/plinth/modules/email/privileged/tls.py
index a7cdd8bde..fa8645345 100644
--- a/plinth/modules/email/privileged/tls.py
+++ b/plinth/modules/email/privileged/tls.py
@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
-"""TLS configuration for postfix and dovecot."""
+"""
+TLS certificate configuration for postfix and dovecot.
+"""
 
 import pathlib
 
diff --git a/plinth/modules/email/urls.py b/plinth/modules/email/urls.py
index d177e136a..e1e919b98 100644
--- a/plinth/modules/email/urls.py
+++ b/plinth/modules/email/urls.py
@@ -1,4 +1,8 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
+"""
+URLs for the email module.
+"""
+
 from django.urls import path
 from stronghold.decorators import public