GMass ◆
Run unlimited mail merge and cold email campaigns directly inside Gmail—no separate platform, no CSV imports.
Mailmeteor is a Gmail add-on that turns your inbox into a mail merge machine. You write one email template, upload a spreadsheet of recipients, and it sends personalized copies with tracking, scheduling, and follow-up reminders—all from your Gmail account.
It integrates as a Chrome extension or Google Workspace add-on, reading recipient data from Google Sheets. Each email gets personalized fields (name, company, etc.), and you can track opens, clicks, and replies. Automated follow-ups trigger based on no reply, and all sends stay within Gmail's sending limits to avoid spam flags.
Mailmeteor pricing: Free · from $19/mo. Billing model: Freemium.
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