Setting up Email Google Error

Hi All,
I Am new to Manager and I am having trouble with setting up my email.
I have tried everything under the guides and still return the following issue when i send a test.
The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at

Edition Windows 10 Home
Version 20H2
Installed on ‎2/‎09/‎2021
OS build 19042.1202
Experience Windows Feature Experience Pack 120.2212.3530.0

Any other suggestions.

Thank you in advance.
Greg

I am not very familiar with Gmail settings, but have you tried port 25?

Yes, I tried port 25 and got this response

@Gregnd Gmail responds with this error when you do not allow less secure apps or do not use app-specific password (if you use 2-factor authentication).

Follow the steps here

https://www.manager.io/guides/22820

See Troubleshoot email issues | Manager
in particular Google Gmail | Manager
port 25 is not secure

Thank you so much for your help it works.