diff --git a/web_notify_channel_message/README.rst b/web_notify_channel_message/README.rst
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index 000000000..e69de29bb
diff --git a/web_notify_channel_message/__init__.py b/web_notify_channel_message/__init__.py
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+++ b/web_notify_channel_message/__init__.py
@@ -0,0 +1 @@
+from . import models
diff --git a/web_notify_channel_message/__manifest__.py b/web_notify_channel_message/__manifest__.py
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+++ b/web_notify_channel_message/__manifest__.py
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+# pylint: disable=missing-docstring
+# Copyright 2023 ForgeFlow, S.L.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Web Notify Channel Message",
+    "summary": """
+        Send an instant notification to channel users when a new message is posted""",
+    "version": "14.0.1.0.0",
+    "license": "AGPL-3",
+    "author": "ForgeFlow, Odoo Community Association (OCA)",
+    "development_status": "Alpha",
+    "website": "https://github.com/OCA/web",
+    "depends": ["web_notify", "mail"],
+    "installable": True,
+}
diff --git a/web_notify_channel_message/models/__init__.py b/web_notify_channel_message/models/__init__.py
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index 000000000..3ce7ca7fe
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+++ b/web_notify_channel_message/models/__init__.py
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+from . import mail_channel
diff --git a/web_notify_channel_message/models/mail_channel.py b/web_notify_channel_message/models/mail_channel.py
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+++ b/web_notify_channel_message/models/mail_channel.py
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+# pylint: disable=missing-docstring
+# Copyright 2016 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import _, models
+
+
+class MailChannel(models.Model):
+    _inherit = "mail.channel"
+
+    def message_post(self, *, message_type="notification", **kwargs):
+        message = super().message_post(message_type=message_type, **kwargs)
+        for partner in self.channel_partner_ids:
+            users = partner.user_ids
+            for user in users:
+                if user in message.author_id.user_ids:
+                    continue
+                user.notify_info(
+                    message=_("You have a new message in channel %s") % self.name
+                )
+        return message
diff --git a/web_notify_channel_message/readme/CONTRIBUTORS.rst b/web_notify_channel_message/readme/CONTRIBUTORS.rst
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+++ b/web_notify_channel_message/readme/CONTRIBUTORS.rst
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+* Joan Sisquella <joan.sisquella@forgeflow.com>
+* Thiago Mulero <thiago.mulero@forgeflow.com>
+* David Jimenez <david.jimenez@forgeflow.com>
+* Jordi Ballester <jordi.ballester@forgefow.com>
diff --git a/web_notify_channel_message/readme/DESCRIPTION.rst b/web_notify_channel_message/readme/DESCRIPTION.rst
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+++ b/web_notify_channel_message/readme/DESCRIPTION.rst
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+This module will send an instant notifications to all users of a channel when a new message has been posted.