What's the error message?

And what's Conf look like? Hide your password of course, but even a single misplaced ; can cause errors.

Although it is a business domain it is through Google and Gmail and the email settings are correct.  Don't know if our firewall could be blocking it?  I just know enough to get me in trouble.

On the Google's App password there are spaces when I copy and pasted.  I did take those spaces out.  Do they need to be in the password?

Yes, if this is a business domain but it's hosted through Google Workspace/Gmail, then Gmail is still the mail provider for this purpose.

For the Google app password, no, you do not need to keep the spaces. Google displays the app password in groups just to make it easier to read. When you paste it into your VBA constant, remove the spaces so it is just one continuous password string.

If the SMTP server is smtp.gmail.com, the port is 465, UseSSL is set to 1/True, the username is your full email address, and the password is the Google app password with no spaces, then the next thing I'd suspect is something blocking the connection.

A firewall, antivirus program, router, or business network policy could definitely block outbound SMTP traffic. The easiest test is to try the same database from a different computer or a different network, like a home connection or a phone hotspot. If it works there, then the code and Gmail settings are fine, and the problem is somewhere in the local network or security setup.

So I'd say: app password with no spaces first, then test from another network if it still fails.

Does 2-Step Verification have to be enabled?