@ -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()