From e40e9db39ab2a004cbde97004f619573b19be91b Mon Sep 17 00:00:00 2001
From: Anshuman Saini <90978443+AnshumanSaini@users.noreply.github.com>
Date: Tue, 3 Jun 2025 14:08:48 +0530
Subject: [PATCH] fixes #19634 (#20545)

---
 api/libs/smtp.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/api/libs/smtp.py b/api/libs/smtp.py
index 2325d69a41..35561f071c 100644
--- a/api/libs/smtp.py
+++ b/api/libs/smtp.py
@@ -28,7 +28,8 @@ class SMTPClient:
             else:
                 smtp = smtplib.SMTP(self.server, self.port, timeout=10)
 
-            if self.username and self.password:
+            # Only authenticate if both username and password are non-empty
+            if self.username and self.password and self.username.strip() and self.password.strip():
                 smtp.login(self.username, self.password)
 
             msg = MIMEMultipart()