diff --git a/homeassistant/components/smtp/__init__.py b/homeassistant/components/smtp/__init__.py
index 5e7fb41c2127a..7461dd2b6c370 100644
--- a/homeassistant/components/smtp/__init__.py
+++ b/homeassistant/components/smtp/__init__.py
@@ -1 +1,4 @@
 """The smtp component."""
+
+DOMAIN = "smtp"
+PLATFORMS = ["notify"]
diff --git a/homeassistant/components/smtp/notify.py b/homeassistant/components/smtp/notify.py
index 296a419c5d0f7..f7d3415525dad 100644
--- a/homeassistant/components/smtp/notify.py
+++ b/homeassistant/components/smtp/notify.py
@@ -26,8 +26,11 @@
     CONF_USERNAME,
 )
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.reload import setup_reload_service
 import homeassistant.util.dt as dt_util
 
+from . import DOMAIN, PLATFORMS
+
 _LOGGER = logging.getLogger(__name__)
 
 ATTR_IMAGES = "images"  # optional embedded image file attachments
@@ -67,6 +70,7 @@
 
 def get_service(hass, config, discovery_info=None):
     """Get the mail notification service."""
+    setup_reload_service(hass, DOMAIN, PLATFORMS)
     mail_service = MailNotificationService(
         config.get(CONF_SERVER),
         config.get(CONF_PORT),
diff --git a/homeassistant/components/smtp/services.yaml b/homeassistant/components/smtp/services.yaml
new file mode 100644
index 0000000000000..77ff7d22adfe5
--- /dev/null
+++ b/homeassistant/components/smtp/services.yaml
@@ -0,0 +1,2 @@
+reload:
+  description: Reload smtp notify services.
diff --git a/tests/components/smtp/test_notify.py b/tests/components/smtp/test_notify.py
index d99ee82d4ef70..6320614c059d7 100644
--- a/tests/components/smtp/test_notify.py
+++ b/tests/components/smtp/test_notify.py
@@ -1,8 +1,14 @@
 """The tests for the notify smtp platform."""
+from os import path
 import re
 import unittest
 
+from homeassistant import config as hass_config
+import homeassistant.components.notify as notify
+from homeassistant.components.smtp import DOMAIN
 from homeassistant.components.smtp.notify import MailNotificationService
+from homeassistant.const import SERVICE_RELOAD
+from homeassistant.setup import async_setup_component
 
 from tests.async_mock import patch
 from tests.common import get_test_home_assistant
@@ -85,3 +91,51 @@ def test_html_email(self, mock_make_msgid):
             "Test msg", data={"html": html, "images": ["test.jpg"]}
         )
         assert "Content-Type: multipart/related" in msg
+
+
+async def test_reload_notify(hass):
+    """Verify we can reload the notify service."""
+
+    with patch(
+        "homeassistant.components.smtp.notify.MailNotificationService.connection_is_valid"
+    ):
+        assert await async_setup_component(
+            hass,
+            notify.DOMAIN,
+            {
+                notify.DOMAIN: [
+                    {
+                        "name": DOMAIN,
+                        "platform": DOMAIN,
+                        "recipient": "test@example.com",
+                        "sender": "test@example.com",
+                    },
+                ]
+            },
+        )
+        await hass.async_block_till_done()
+
+    assert hass.services.has_service(notify.DOMAIN, DOMAIN)
+
+    yaml_path = path.join(
+        _get_fixtures_base_path(),
+        "fixtures",
+        "smtp/configuration.yaml",
+    )
+    with patch.object(hass_config, "YAML_CONFIG_FILE", yaml_path), patch(
+        "homeassistant.components.smtp.notify.MailNotificationService.connection_is_valid"
+    ):
+        await hass.services.async_call(
+            DOMAIN,
+            SERVICE_RELOAD,
+            {},
+            blocking=True,
+        )
+        await hass.async_block_till_done()
+
+    assert not hass.services.has_service(notify.DOMAIN, DOMAIN)
+    assert hass.services.has_service(notify.DOMAIN, "smtp_reloaded")
+
+
+def _get_fixtures_base_path():
+    return path.dirname(path.dirname(path.dirname(__file__)))
diff --git a/tests/fixtures/smtp/configuration.yaml b/tests/fixtures/smtp/configuration.yaml
new file mode 100644
index 0000000000000..03bed6869090e
--- /dev/null
+++ b/tests/fixtures/smtp/configuration.yaml
@@ -0,0 +1,5 @@
+notify:
+  - name: smtp_reloaded
+    platform: smtp
+    sender: test@example.com
+    recipient: test@example.com