diff --git a/keep/providers/smtp_provider/smtp_provider.py b/keep/providers/smtp_provider/smtp_provider.py
index c0606349a..f8f187c09 100644
--- a/keep/providers/smtp_provider/smtp_provider.py
+++ b/keep/providers/smtp_provider/smtp_provider.py
@@ -4,11 +4,11 @@
 
 import dataclasses
 import typing
-
-import pydantic
-from smtplib import SMTP, SMTP_SSL
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
+from smtplib import SMTP, SMTP_SSL
+
+import pydantic
 
 from keep.contextmanager.contextmanager import ContextManager
 from keep.providers.base.base_provider import BaseProvider
@@ -17,23 +17,6 @@
 
 @pydantic.dataclasses.dataclass
 class SmtpProviderAuthConfig:
-    smtp_username: str = dataclasses.field(
-        metadata={
-            "required": True,
-            "description": "SMTP username",
-            "config_main_group": "authentication",
-        }
-    )
-
-    smtp_password: str = dataclasses.field(
-        metadata={
-            "required": True,
-            "sensitive": True,
-            "description": "SMTP password",
-            "config_main_group": "authentication",
-        }
-    )
-
     smtp_server: str = dataclasses.field(
         metadata={
             "required": True,
@@ -47,7 +30,8 @@ class SmtpProviderAuthConfig:
             "required": True,
             "description": "SMTP port",
             "config_main_group": "authentication",
-        }
+        },
+        default=587,
     )
 
     encryption: typing.Literal["SSL", "TLS"] = dataclasses.field(
@@ -61,6 +45,25 @@ class SmtpProviderAuthConfig:
         },
     )
 
+    smtp_username: str = dataclasses.field(
+        metadata={
+            "required": False,
+            "description": "SMTP username",
+            "config_main_group": "authentication",
+        },
+        default="",
+    )
+
+    smtp_password: str = dataclasses.field(
+        metadata={
+            "required": False,
+            "sensitive": True,
+            "description": "SMTP password",
+            "config_main_group": "authentication",
+        },
+        default="",
+    )
+
 
 class SmtpProvider(BaseProvider):
     PROVIDER_SCOPES = [
@@ -75,18 +78,18 @@ class SmtpProvider(BaseProvider):
     PROVIDER_DISPLAY_NAME = "SMTP"
 
     def __init__(
-        self, context_manager: ContextManager, provider_id: str, config: ProviderConfig 
+        self, context_manager: ContextManager, provider_id: str, config: ProviderConfig
     ):
         super().__init__(context_manager, provider_id, config)
 
     def dispose(self):
         pass
-    
+
     def validate_config(self):
         self.authentication_config = SmtpProviderAuthConfig(
             **self.config.authentication
         )
-    
+
     def validate_scopes(self):
         """
         Validate that the scopes provided are correct.
@@ -97,7 +100,7 @@ def validate_scopes(self):
             return {"send_email": True}
         except Exception as e:
             return {"send_email": str(e)}
-            
+
     def generate_smtp_client(self):
         """
         Generate an SMTP client.
@@ -108,18 +111,20 @@ def generate_smtp_client(self):
         smtp_port = self.authentication_config.smtp_port
         encryption = self.authentication_config.encryption
 
-        if (encryption == "SSL"):
+        if encryption == "SSL":
             smtp = SMTP_SSL(smtp_server, smtp_port)
-            smtp.login(smtp_username, smtp_password)
-            return smtp
-            
-        elif (encryption == "TLS"):
+        elif encryption == "TLS":
             smtp = SMTP(smtp_server, smtp_port)
             smtp.starttls()
+
+        if smtp_username and smtp_password:
             smtp.login(smtp_username, smtp_password)
-            return smtp
-            
-    def send_email(self, from_email: str, from_name: str, to_email: str, subject: str, body: str):
+
+        return smtp
+
+    def send_email(
+        self, from_email: str, from_name: str, to_email: str, subject: str, body: str
+    ):
         """
         Send an email using SMTP protocol.
         """
@@ -127,9 +132,9 @@ def send_email(self, from_email: str, from_name: str, to_email: str, subject: st
         if from_name == "":
             msg["From"] = from_email
         msg["From"] = f"{from_name} <{from_email}>"
-        msg['To'] = to_email
-        msg['Subject'] = subject
-        msg.attach(MIMEText(body, 'plain'))
+        msg["To"] = to_email
+        msg["Subject"] = subject
+        msg.attach(MIMEText(body, "plain"))
 
         try:
             smtp = self.generate_smtp_client()
@@ -138,18 +143,16 @@ def send_email(self, from_email: str, from_name: str, to_email: str, subject: st
 
         except Exception as e:
             raise Exception(f"Failed to send email: {str(e)}")
-        
-    def _notify(self, from_email: str, from_name: str, to_email: str, subject: str, body: str):
+
+    def _notify(
+        self, from_email: str, from_name: str, to_email: str, subject: str, body: str
+    ):
         """
         Send an email using SMTP protocol.
         """
         self.send_email(from_email, from_name, to_email, subject, body)
-        return {
-            "from": from_email,
-            "to": to_email,
-            "subject": subject,
-            "body": body
-        }
+        return {"from": from_email, "to": to_email, "subject": subject, "body": body}
+
 
 if __name__ == "__main__":
     import logging
diff --git a/pyproject.toml b/pyproject.toml
index 758f57d9e..0fea838e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "keep"
-version = "0.27.7"
+version = "0.27.8"
 description = "Alerting. for developers, by developers."
 authors = ["Keep Alerting LTD"]
 readme = "README.md"