- Open the copy link from your purchase email and click Make a copy. The Sheet and its script are copied into your own Google Drive. Nobody else, including us, can see it.
Screenshot to capture
- Open your copy. After a few seconds a SheetBlast menu appears to the right of Help. If it doesn’t, reload the page.
- Click SheetBlast → 1. Set up sheets. Google asks you to authorise the script:
- Choose your Google account.
- You’ll see “Google hasn’t verified this app”. This is normal. The script now lives in your own account, and the “developer” shown is your own email address. Click Advanced → Go to SheetBlast (unsafe).
- Review the permissions and click Allow:
- send email as you
- read your email, so it can detect replies and bounces
- edit this spreadsheet
- see your email address
- show its dialogs inside the Sheet
- run on a timer
- connect to an external service, which is used only for Hostinger
Screenshot to capture
- Click SheetBlast → 1. Set up sheets again. The first click only did the authorisation. You’ll see “SheetBlast is set up” and these tabs: Settings, Senders, Sequences, Contacts, DoNotContact and Log.
- Open the Settings tab and change
TIMEZONEto your own (an IANA name such asEurope/LondonorAmerica/New_York). It defaults to Europe/Tallinn, and your send window uses it.
Nothing is sent until you press ▶ Start sending.