Generate App password

Go to Sign in with app passwords

Click the link “Create and manage your app passwords”.

Sign in your Gmail account.

Name the app name and press create button as per below image.

Copy the app password.

Create Power Automate Desktop Flow

Go to Power Automate Desktop, drag action “Send mail” to the workspace.

Set parameter as per below image

SMTP Server: smtp.gmail.com 

FOR TLS
Security: TLS 
Port: 587

For SSL
Security: SSL
Port: 465

SMTP Username: your_email@gmail.com
SMTP Password: your_app-password (that generated from previous section)

Test the flow

Until we meet again, Happy Automating!! 😁