diff --git a/app/utils/email_alerts.py b/app/utils/email_alerts.py
index fdc23752..4505594a 100644
--- a/app/utils/email_alerts.py
+++ b/app/utils/email_alerts.py
@@ -36,7 +36,15 @@ def send_email_alert(subject: str, body: str) -> None:
         return
 
     sender_email = EMAIL_SENDER
-    receiver_emails = EMAIL_RECIPIENTS.split(",")
+    receiver_emails = [
+        recipient.strip()
+        for recipient in EMAIL_RECIPIENTS.split(",")
+        if recipient.strip()
+    ]
+
+    if not receiver_emails:
+        logging.warning("No valid email recipients configured.")
+        return
 
     message = MIMEMultipart()
     message["From"] = sender_email
diff --git a/tests/test_email_alerts.py b/tests/test_email_alerts.py
index 7b45953f..b00f376f 100644
--- a/tests/test_email_alerts.py
+++ b/tests/test_email_alerts.py
@@ -30,7 +30,7 @@ def test_send_email_alert_enabled(self):
             patch("app.utils.email_alerts.EMAIL_SENDER", "sender@example.com"),
             patch(
                 "app.utils.email_alerts.EMAIL_RECIPIENTS",
-                "r1@example.com,r2@example.com",
+                " r1@example.com , , r2@example.com , ",
             ),
             patch("app.utils.email_alerts.EMAIL_SMTP_SERVER", "smtp.example.com"),
             patch("app.utils.email_alerts.EMAIL_SMTP_PORT", "587"),
@@ -49,6 +49,28 @@ def test_send_email_alert_enabled(self):
             self.assertEqual(args[1], ["r1@example.com", "r2@example.com"])
             self.assertIn("Subject: Subject", args[2])
             self.assertIn("Body", args[2])
+            self.assertIn("To: r1@example.com, r2@example.com", args[2])
+
+    def test_send_email_alert_no_valid_recipients(self):
+        smtp_mock = MagicMock()
+        mock_cm = MagicMock()
+        mock_cm.__enter__.return_value = smtp_mock
+        with (
+            patch("smtplib.SMTP", return_value=mock_cm) as mock_smtp,
+            patch("app.utils.email_alerts.EMAIL_ENABLED", "True"),
+            patch("app.utils.email_alerts.EMAIL_SENDER", "sender@example.com"),
+            patch("app.utils.email_alerts.EMAIL_RECIPIENTS", " , ,, "),
+            patch("app.utils.email_alerts.EMAIL_SMTP_SERVER", "smtp.example.com"),
+            patch("app.utils.email_alerts.EMAIL_SMTP_PORT", "587"),
+            patch("app.utils.email_alerts.EMAIL_SMTP_TIMEOUT", 5),
+            patch("app.utils.email_alerts.EMAIL_USE_TLS", "false"),
+            patch("app.utils.email_alerts.EMAIL_USERNAME", "user"),
+            patch("app.utils.email_alerts.EMAIL_PASSWORD", "pass"),
+            patch("logging.warning") as mock_warning,
+        ):
+            send_email_alert("Subject", "Body")
+            mock_warning.assert_called_once_with("No valid email recipients configured.")
+            mock_smtp.assert_not_called()
 
     def test_send_email_alert_timeout(self):
         smtp_mock = MagicMock()