diff --git a/app/delivery/send_to_providers.py b/app/delivery/send_to_providers.py
index 6cbd00e2d..6ef710075 100644
--- a/app/delivery/send_to_providers.py
+++ b/app/delivery/send_to_providers.py
@@ -8,7 +8,7 @@ from notifications_utils.recipients import (
 from notifications_utils.template import HTMLEmailTemplate, PlainTextEmailTemplate, SMSMessageTemplate
 
 from app import clients, statsd_client, create_uuid
-from app.dao.notifications_dao import dao_update_notification
+from app.dao.notifications_dao import dao_update_notification, dao_get_notification_email_reply_for_notification
 from app.dao.provider_details_dao import (
     get_provider_details_by_notification_type,
     dao_toggle_sms_provider
@@ -110,13 +110,18 @@ def send_email_to_provider(notification):
             from_address = '"{}" <{}@{}>'.format(service.name, service.email_from,
                                                  current_app.config['NOTIFY_EMAIL_DOMAIN'])
 
+            email_reply_to = dao_get_notification_email_reply_for_notification(notification.id)
+
+            if not email_reply_to:
+                email_reply_to = service.get_default_reply_to_email_address()
+
             reference = provider.send_email(
                 from_address,
                 notification.to,
                 plain_text_email.subject,
                 body=str(plain_text_email),
                 html_body=str(html_email),
-                reply_to_address=service.get_default_reply_to_email_address(),
+                reply_to_address=email_reply_to,
             )
             notification.reference = reference
             update_notification(notification, provider)
diff --git a/tests/app/db.py b/tests/app/db.py
index dfa3f6a07..a2b2b98c3 100644
--- a/tests/app/db.py
+++ b/tests/app/db.py
@@ -28,7 +28,7 @@ from app.models import (
     KEY_TYPE_NORMAL,
     ServiceInboundApi,
     ServiceEmailReplyTo,
-    ServiceLetterContact, ServiceSmsSender)
+    ServiceLetterContact, ServiceSmsSender, NotificationEmailReplyTo)
 from app.dao.users_dao import save_model_user
 from app.dao.notifications_dao import dao_create_notification, dao_created_scheduled_notification
 from app.dao.templates_dao import dao_create_template
@@ -384,3 +384,21 @@ def create_letter_contact(
     db.session.commit()
 
     return letter_content
+
+
+def create_reply_to_email_for_notification(
+    notification_id,
+    service,
+    email_address,
+    is_default=True
+):
+    reply_to = create_reply_to_email(service, email_address, is_default)
+
+    notification_email_reply_to = NotificationEmailReplyTo(
+        notification_id=str(notification_id),
+        service_email_reply_to_id=str(reply_to.id)
+    )
+    db.session.add(notification_email_reply_to)
+    db.session.commit()
+
+    return reply_to
diff --git a/tests/app/delivery/test_send_to_providers.py b/tests/app/delivery/test_send_to_providers.py
index 30ca1e876..7b9c8cd8b 100644
--- a/tests/app/delivery/test_send_to_providers.py
+++ b/tests/app/delivery/test_send_to_providers.py
@@ -6,6 +6,7 @@ from unittest.mock import ANY, call
 import pytest
 from notifications_utils.recipients import validate_and_format_phone_number
 from flask import current_app
+from requests_mock import mock
 
 import app
 from app import mmg_client, firetext_client
@@ -21,10 +22,10 @@ from app.models import (
     BRANDING_ORG,
     BRANDING_GOVUK,
     BRANDING_BOTH,
-    BRANDING_ORG_BANNER)
+    BRANDING_ORG_BANNER, NotificationEmailReplyTo)
 
 from tests.app.db import create_service, create_template, create_notification, create_inbound_number, \
-    create_reply_to_email
+    create_reply_to_email, create_reply_to_email_for_notification
 
 
 def test_should_return_highest_priority_active_provider(restore_provider_details):
@@ -697,3 +698,65 @@ def test_should_use_inbound_number_as_sender_if_set(
         reference=str(notification.id),
         sender=inbound_number.number
     )
+
+
+def test_send_email_to_provider_get_linked_email_reply_to_default_is_false(
+        sample_service,
+        sample_email_template,
+        mocker):
+    mocker.patch('app.aws_ses_client.send_email', return_value='reference')
+    mocker.patch('app.delivery.send_to_providers.create_initial_notification_statistic_tasks')
+
+    db_notification = create_notification(template=sample_email_template)
+    create_reply_to_email(service=sample_service, email_address='foo@bar.com')
+
+    reply_to = create_reply_to_email_for_notification(
+        db_notification.id,
+        sample_service,
+        "test@test.com",
+        is_default=False
+    )
+
+    send_to_providers.send_email_to_provider(
+        db_notification,
+    )
+
+    app.aws_ses_client.send_email.assert_called_once_with(
+        ANY,
+        ANY,
+        ANY,
+        body=ANY,
+        html_body=ANY,
+        reply_to_address=reply_to.email_address
+    )
+
+
+def test_send_email_to_provider_get_linked_email_reply_to_create_service_email_after_notification_mapping(
+        sample_service,
+        sample_email_template,
+        mocker):
+    mocker.patch('app.aws_ses_client.send_email', return_value='reference')
+    mocker.patch('app.delivery.send_to_providers.create_initial_notification_statistic_tasks')
+
+    db_notification = create_notification(template=sample_email_template)
+
+    reply_to = create_reply_to_email_for_notification(
+        db_notification.id,
+        sample_service,
+        "test@test.com"
+    )
+
+    create_reply_to_email(service=sample_service, email_address='foo@bar.com', is_default=False)
+
+    send_to_providers.send_email_to_provider(
+        db_notification,
+    )
+
+    app.aws_ses_client.send_email.assert_called_once_with(
+        ANY,
+        ANY,
+        ANY,
+        body=ANY,
+        html_body=ANY,
+        reply_to_address=reply_to.email_address
+    )