An App Password gives a non-Google app permission to access Google's SMTP server. App Passwords can only be used with accounts that have 2-Step Verification turned on.
Manage Google settings
To use Google's SMTP server for sending email with Automation Workshop or Command Line Email, follow the very simple set-up process…

Open Google Account Security settings. Select App passwords options.

Now, we are ready to set-up App password…
Create App password
Click on Select App field, and choose Other (custom name) option.

Enter an easily recognizable name, and click Generate button.

Notice the generated App password. From now on, always use this 16-character password (without spaces) and your full Gmail address.

To further manage (revoke, add more, etc.) your App passwords, use the same App passwords Google Account setting.

Done!

SMTP server?
- SMTP settings for using Gmail with regular email client software · Gmail help.
- SMTP server configuration in email clients · Gmail.
Troubleshooting more?
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