Gmail requires an app password instead of your normal password.
If you use Gmail with third-party tools (like this IMAP Sync mail online tool), and you have 2-Step Verification enabled, your normal password won’t work.
Instead, Google requires you to generate an App Password — a one-time 16-digit code — to allow access securely.
Steps: How to Generate a Google App Password
- Go to:
👉 https://myaccount.google.com/apppasswords - Sign in with your Gmail account if prompted
- Enter a name for the app (e.g.
syncmail.online) - Click “Generate”
- Google will show you a 16-character App Password
→ Copy this code & Remove the space !!! - Paste this App Password into the Password field in the plugin (not your regular password)
- Click Done
How to Delete a Google App Password
- Go to: https://myaccount.google.com/apppasswords
- Find the app in the list
- Click the trash can icon 🗑️ to remove it

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