diff --git a/packages/syft/src/syft/service/notifier/notifier.py b/packages/syft/src/syft/service/notifier/notifier.py
index d9cdef82c2c..1f5e34cf1c3 100644
--- a/packages/syft/src/syft/service/notifier/notifier.py
+++ b/packages/syft/src/syft/service/notifier/notifier.py
@@ -12,6 +12,7 @@
 from typing import TypeVar
 
 # third party
+from pydantic import BaseModel
 from result import Err
 from result import Ok
 from result import Result
@@ -33,7 +34,7 @@
 from .smtp_client import SMTPClient
 
 
-class BaseNotifier:
+class BaseNotifier(BaseModel):
     def send(
         self, target: SyftVerifyKey, notification: Notification
     ) -> SyftSuccess | SyftError:
@@ -54,7 +55,7 @@ class UserNotificationActivity(SyftObject):
 @serializable(canonical_name="EmailNotifier", version=1)
 class EmailNotifier(BaseNotifier):
     smtp_client: SMTPClient
-    sender = ""
+    sender: str = ""
 
     def __init__(
         self,
diff --git a/packages/syft/src/syft/service/notifier/smtp_client.py b/packages/syft/src/syft/service/notifier/smtp_client.py
index 1f4df6531e5..f7041c9f722 100644
--- a/packages/syft/src/syft/service/notifier/smtp_client.py
+++ b/packages/syft/src/syft/service/notifier/smtp_client.py
@@ -4,13 +4,14 @@
 import smtplib
 
 # third party
+from pydantic import BaseModel
 from result import Err
 from result import Ok
 from result import Result
 
 
-class SMTPClient:
-    SOCKET_TIMEOUT = 5  # seconds
+class SMTPClient(BaseModel):
+    SOCKET_TIMEOUT: int = 5  # seconds
 
     def __init__(
         self,