Error: 0x80040217 – Email Not Sent

If you’re seeing this error:

The message could not be sent to the SMTP server. The transport error code was 0x80040217. The server response was not available.

This usually means that your email address or app password is incorrect.

How to Fix It

1. Double-check your email address Make sure there are no typos.

2. Make sure you’re using an app password You can’t use your normal Gmail login. You need to create an app-specific password.

👉 How to set up an app password

1. Paste the app password exactly It’s a 16-character code — make sure it has no extra spaces.