ngthanhluan

I'm checking the log of SMTP server at C:\WINDOWS\system32\LogFiles\SMTPSVC1 and here is the results.

Yes, I follow this instruction and able to send a test mail message. But I did not receive any test email. I also checking the event viewer but I'm not sure where to find the logs for further investigate.

Thanks for your reply ! I'm using Windows Server 2019 and NOT enable TLS/SSL (still using port 8530)

Hello, I have just setup a WSUS for my site. Unfortunately, E-Mail Server setting inside WSUS did not support TLS/SSL that required for sending notification. The error message: The Server response was: 5.7.3 STARTTLS is required to send mail Could you please to share if there is any alternative solution to resolve this. Thank you!