diff --git a/modules/inbound_email/CHANGELOG b/modules/inbound_email/CHANGELOG
index a9b0756a09..3808f6a3be 100644
--- a/modules/inbound_email/CHANGELOG
+++ b/modules/inbound_email/CHANGELOG
@@ -1,3 +1,4 @@
+* Add configuration for maximum size of inbound email request
 
 Version 7.2.0 - 2024-04-29
 --------------------------
diff --git a/modules/inbound_email/doc/configuration.rst b/modules/inbound_email/doc/configuration.rst
index d13e31fc2c..e8ddfe7c36 100644
--- a/modules/inbound_email/doc/configuration.rst
+++ b/modules/inbound_email/doc/configuration.rst
@@ -24,3 +24,12 @@ The ``store_prefix`` contains the prefix to use with the :ref:`FileStore
 <trytond:ref-filestore>`.
 
 The default value is: ``None``
+
+.. _config-inboud_email.max_size:
+
+``max_size``
+============
+
+The maximum size in bytes of the inbound email request (zero means no limit).
+
+The default value is: `trytond:config-request.max_size`
diff --git a/modules/inbound_email/routes.py b/modules/inbound_email/routes.py
index 9bcd72851a..2deb781b36 100644
--- a/modules/inbound_email/routes.py
+++ b/modules/inbound_email/routes.py
@@ -3,13 +3,18 @@
 
 import json
 
+from trytond.config import config
 from trytond.protocols.wrappers import (
-    HTTPStatus, Response, abort, with_pool, with_transaction)
+    HTTPStatus, Response, abort, set_max_request_size, with_pool,
+    with_transaction)
 from trytond.wsgi import app
 
 
 @app.route(
     '/<database_name>/inbound_email/inbox/<identifier>', methods={'POST'})
+@set_max_request_size(config.getint(
+        'inbound_email', 'max_size',
+        default=config.getint('request', 'max_size')))
 @with_pool
 @with_transaction()
 def inbound_email(request, pool, identifier):