Outgoing Mail Footer patch
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index d94dd53..a326eca 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -64,3 +64,4 @@
 erpnext.patches.v4_0.update_users_report_view_settings
 erpnext.patches.v4_0.set_pricing_rule_for_buying_or_selling
 erpnext.patches.v4_0.set_naming_series_property_setter
+erpnext.patches.v4_1.set_outgoing_email_footer
diff --git a/erpnext/patches/v4_1/__init__.py b/erpnext/patches/v4_1/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/patches/v4_1/__init__.py
diff --git a/erpnext/patches/v4_1/set_outgoing_email_footer.py b/erpnext/patches/v4_1/set_outgoing_email_footer.py
new file mode 100644
index 0000000..d38f2c2
--- /dev/null
+++ b/erpnext/patches/v4_1/set_outgoing_email_footer.py
@@ -0,0 +1,11 @@
+# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
+# License: GNU General Public License v3. See license.txt
+
+from __future__ import unicode_literals
+import frappe
+from erpnext.setup.install import default_mail_footer
+
+def execute():
+	mail_footer = frappe.db.get_default('mail_footer') or ''
+	mail_footer += default_mail_footer
+	frappe.db.set_value("Outgoing Email Settings", "Outgoing Email Settings", "footer", mail_footer)