Gmail needs an app password: a separate 16-letter password just for Mailzo. Your normal Google password stays private, and you can remove the app password at any time.
Before you start
App passwords only work when 2-Step Verification is on for your Google account. Step 2 below turns it on if it isn't.
Steps
- In Mailzo, click Connect an inbox, type your Gmail address and click Continue.
- Click Open Google security in Mailzo, or go to 2-Step Verification, and turn it on. Skip this if it's already on.
- Back in Mailzo, click Open App passwords, or go to Google App passwords. Sign in to Google if it asks.
- Type Mailzo as the app name and click Create.
- Google shows a 16-letter password. Copy it.
- Paste it into Paste it here in Mailzo and click Connect inbox.
If it doesn't work
- No App passwords page: 2-Step Verification is off, or your account uses Google's Advanced Protection.
- Work or school account (Google Workspace): your admin may have turned app passwords off. Ask them to allow it.
- Password refused: make a new app password and paste it again. Don't use your normal Google password.
Remove Mailzo's access
Open Google App passwords and delete the one named Mailzo.
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