diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 0f87d565aae..3f7124fca7a 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -3063,7 +3063,7 @@ class AccountMove(models.Model):
             'res_model': 'account.invoice.send',
             'view_mode': 'form',
             'context': {
-                'default_email_layout_xmlid': 'mail.mail_notification_paynow',
+                'default_email_layout_xmlid': 'mail.mail_notification_layout_with_responsible_signature',
                 'default_template_id': self.env.ref(self._get_mail_template()).id,
                 'mark_invoice_as_sent': True,
                 'active_model': 'account.move',
@@ -3099,7 +3099,7 @@ class AccountMove(models.Model):
             default_template_id=template and template.id or False,
             default_composition_mode='comment',
             mark_invoice_as_sent=True,
-            default_email_layout_xmlid="mail.mail_notification_paynow",
+            default_email_layout_xmlid="mail.mail_notification_layout_with_responsible_signature",
             model_description=self.with_context(lang=lang).type_name,
             force_email=True,
         )
diff --git a/addons/mail/data/mail_templates_email_layouts.xml b/addons/mail/data/mail_templates_email_layouts.xml
index 859ab2c84e7..32d5825c189 100644
--- a/addons/mail/data/mail_templates_email_layouts.xml
+++ b/addons/mail/data/mail_templates_email_layouts.xml
@@ -287,7 +287,8 @@
 </div>
         </template>
 
-        <template id="mail_notification_paynow" name="Mail: Pay Now mail notification template"
+        <template id="mail_notification_layout_with_responsible_signature"
+                  name="Mail: mail notification layout with responsible signature (user_id of the record)"
                   inherit_id="mail.mail_notification_layout" primary="True">
             <xpath expr="//t[hasclass('o_signature')]" position="replace">
                 <t t-if="email_add_signature and 'user_id' in record and record.user_id and not record.env.user._is_superuser() and not is_html_empty(record.user_id.sudo().signature)">
diff --git a/addons/purchase/models/purchase.py b/addons/purchase/models/purchase.py
index b6781b4b8c4..a795a85d0d4 100644
--- a/addons/purchase/models/purchase.py
+++ b/addons/purchase/models/purchase.py
@@ -423,7 +423,7 @@ class PurchaseOrder(models.Model):
             'default_use_template': bool(template_id),
             'default_template_id': template_id,
             'default_composition_mode': 'comment',
-            'default_email_layout_xmlid': "mail.mail_notification_paynow",
+            'default_email_layout_xmlid': "mail.mail_notification_layout_with_responsible_signature",
             'force_email': True,
             'mark_rfq_as_sent': True,
         })
@@ -747,7 +747,7 @@ class PurchaseOrder(models.Model):
                     if send_single:
                         return order._send_reminder_open_composer(template.id)
                     else:
-                        order.with_context(is_reminder=True).message_post_with_template(template.id, email_layout_xmlid="mail.mail_notification_paynow", composition_mode='comment')
+                        order.with_context(is_reminder=True).message_post_with_template(template.id, email_layout_xmlid="mail.mail_notification_layout_with_responsible_signature", composition_mode='comment')
 
     def send_reminder_preview(self):
         self.ensure_one()
@@ -760,7 +760,7 @@ class PurchaseOrder(models.Model):
                 self.id,
                 force_send=True,
                 raise_exception=False,
-                email_layout_xmlid="mail.mail_notification_paynow",
+                email_layout_xmlid="mail.mail_notification_layout_with_responsible_signature",
                 email_values={'email_to': self.env.user.email, 'recipient_ids': []},
             )
             return {'toast_message': escape(_("A sample email has been sent to %s.", self.env.user.email))}
@@ -780,7 +780,7 @@ class PurchaseOrder(models.Model):
             'default_use_template': bool(template_id),
             'default_template_id': template_id,
             'default_composition_mode': 'comment',
-            'default_email_layout_xmlid': "mail.mail_notification_paynow",
+            'default_email_layout_xmlid': "mail.mail_notification_layout_with_responsible_signature",
             'force_email': True,
             'mark_rfq_as_sent': True,
         })
diff --git a/addons/sale/models/payment_transaction.py b/addons/sale/models/payment_transaction.py
index af9d9a85a70..ef8f89e0634 100644
--- a/addons/sale/models/payment_transaction.py
+++ b/addons/sale/models/payment_transaction.py
@@ -132,7 +132,7 @@ class PaymentTransaction(models.Model):
             for invoice in invoice_to_send.with_user(SUPERUSER_ID):
                 invoice.message_post_with_template(
                     int(template_id),
-                    email_layout_xmlid='mail.mail_notification_paynow',
+                    email_layout_xmlid='mail.mail_notification_layout_with_responsible_signature',
                 )
 
     def _cron_send_invoice(self):
diff --git a/addons/sale/models/res_company.py b/addons/sale/models/res_company.py
index 44764a213e6..0bdf835dce1 100644
--- a/addons/sale/models/res_company.py
+++ b/addons/sale/models/res_company.py
@@ -94,7 +94,7 @@ class ResCompany(models.Model):
         message_composer = self.env['mail.compose.message'].with_context(
             default_use_template=bool(template),
             mark_so_as_sent=True,
-            default_email_layout_xmlid='mail.mail_notification_paynow',
+            default_email_layout_xmlid='mail.mail_notification_layout_with_responsible_signature',
             proforma=self.env.context.get('proforma', False),
             force_email=True, mail_notify_author=True
         ).create({
diff --git a/addons/sale/models/sale_order.py b/addons/sale/models/sale_order.py
index 1991aceafa1..2a26a17dbb8 100644
--- a/addons/sale/models/sale_order.py
+++ b/addons/sale/models/sale_order.py
@@ -728,7 +728,7 @@ class SaleOrder(models.Model):
             'default_template_id': mail_template.id if mail_template else None,
             'default_composition_mode': 'comment',
             'mark_so_as_sent': True,
-            'default_email_layout_xmlid': 'mail.mail_notification_paynow',
+            'default_email_layout_xmlid': "mail.mail_notification_layout_with_responsible_signature",
             'proforma': self.env.context.get('proforma', False),
             'force_email': True,
             'model_description': self.with_context(lang=lang).type_name,
@@ -837,7 +837,7 @@ class SaleOrder(models.Model):
             self.with_context(force_send=True).message_post_with_template(
                 mail_template.id,
                 composition_mode='comment',
-                email_layout_xmlid='mail.mail_notification_paynow',
+                email_layout_xmlid='mail.mail_notification_layout_with_responsible_signature',
             )
 
     def action_done(self):
@@ -873,7 +873,7 @@ class SaleOrder(models.Model):
                 'default_template_id': template_id,
                 'default_order_id': self.id,
                 'mark_so_as_canceled': True,
-                'default_email_layout_xmlid': 'mail.mail_notification_paynow',
+                'default_email_layout_xmlid': "mail.mail_notification_layout_with_responsible_signature",
                 'model_description': self.with_context(lang=lang).type_name,
             }
             return {
diff --git a/addons/test_mail/tests/test_message_post.py b/addons/test_mail/tests/test_message_post.py
index df7b969e82c..47f6cb60e6e 100644
--- a/addons/test_mail/tests/test_message_post.py
+++ b/addons/test_mail/tests/test_message_post.py
@@ -88,7 +88,8 @@ class TestMailNotifyAPI(TestMessagePostCommon):
         recipients_data = self._generate_notify_recipients(self.partner_1 + self.partner_2 + self.partner_employee)
         for email_xmlid in ['mail.message_notification_email',
                             'mail.mail_notification_light',
-                            'mail.mail_notification_paynow']:
+                            'mail.mail_notification_layout',
+                            'mail.mail_notification_layout_with_responsible_signature']:
             test_message.sudo().notification_ids.unlink()  # otherwise partner/message constraint fails
             test_message.write({'email_layout_xmlid': email_xmlid})
             with self.mock_mail_gateway():
@@ -118,14 +119,14 @@ class TestMailNotifyAPI(TestMessagePostCommon):
 
         signature = self.env.user.signature
 
-        template = self.env.ref('mail.mail_notification_paynow', raise_if_not_found=True).sudo()
+        template = self.env.ref('mail.mail_notification_layout_with_responsible_signature', raise_if_not_found=True).sudo()
         self.assertIn("record.user_id.sudo().signature", template.arch)
 
         with self.mock_mail_gateway():
             test_track.message_post(
                 body="Test body",
                 email_add_signature=True,
-                email_layout_xmlid="mail.mail_notification_paynow",
+                email_layout_xmlid="mail.mail_notification_layout_with_responsible_signature",
                 mail_auto_delete=False,
                 partner_ids=[self.partner_1.id, self.partner_2.id],
             )
@@ -137,7 +138,7 @@ class TestMailNotifyAPI(TestMessagePostCommon):
             test_track.message_post(
                 body="Test body",
                 email_add_signature=False,
-                email_layout_xmlid="mail.mail_notification_paynow",
+                email_layout_xmlid="mail.mail_notification_layout_with_responsible_signature",
                 mail_auto_delete=False,
                 partner_ids=[self.partner_1.id, self.partner_2.id],
             )
diff --git a/addons/website_sale/models/sale_order.py b/addons/website_sale/models/sale_order.py
index 2c4898ed80f..70601c5d135 100644
--- a/addons/website_sale/models/sale_order.py
+++ b/addons/website_sale/models/sale_order.py
@@ -345,7 +345,7 @@ class SaleOrder(models.Model):
             'target': 'new',
             'context': {
                 'default_composition_mode': 'mass_mail' if len(self.ids) > 1 else 'comment',
-                'default_email_layout_xmlid': 'mail.mail_notification_paynow',
+                'default_email_layout_xmlid': 'mail.mail_notification_layout_with_responsible_signature',
                 'default_res_id': self.ids[0],
                 'default_model': 'sale.order',
                 'default_use_template': bool(template_id),