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YAMM (Yet Another Mail Merge) is a Google Workspace add-on that enables users to send personalized bulk emails directly from Gmail using data stored in Google Sheets. It transforms spreadsheet rows into individual customized emails, allowing marketers and business professionals to run mail merge campaigns without leaving the Google ecosystem.
YAMM democratizes email personalization for small businesses and individuals who lack access to enterprise marketing platforms. By working directly within Google Workspace, it eliminates the learning curve associated with complex email marketing software while delivering core mail merge functionality that improves response rates. Personalized emails consistently outperform generic blasts. Studies show personalized subject lines increase open rates by 26%, and personalized body content improves click-through rates significantly. YAMM makes this personalization accessible to anyone familiar with spreadsheets, requiring no coding or technical expertise. For organizations already invested in Google Workspace, YAMM provides a cost-effective solution without requiring additional platform subscriptions. The native Gmail delivery also helps with deliverability, as emails come from authenticated Google accounts rather than bulk-sending infrastructure that spam filters often flag.
YAMM operates as a bridge between Google Sheets and Gmail. Users create a spreadsheet with recipient data in columns (email addresses, names, custom fields) and compose an email draft in Gmail with merge tags like {{First Name}} or {{Company}}. When activated, YAMM reads each row from the spreadsheet and replaces the merge tags with corresponding values to generate personalized emails. The add-on sends emails through the user's Gmail account, meaning messages appear as if sent directly from Gmail rather than a third-party platform. YAMM also provides a tracking column in Google Sheets that updates in real-time, showing which emails were opened, clicked, or bounced. This integration keeps all campaign data within Google's ecosystem for easy reference. Users can schedule sends for optimal timing, set up automated follow-ups for non-responders, and include personalized attachments. YAMM respects Gmail's daily sending limits and provides warnings when approaching quota restrictions to prevent account issues.
YAMM offers a free tier allowing 50 emails per day. Paid plans start at $25/year for individuals (400 emails/day) and $50/year for professional use (1,500 emails/day). Team plans with additional features are available for organizations.
YAMM is constrained by Gmail's limits: 500 emails/day for free Gmail accounts and 2,000 emails/day for Google Workspace accounts. YAMM's own limits may apply depending on your subscription tier, with the free plan capped at 50 emails daily.
Popular alternatives include GMass (more features, higher limits), Mailmeteor (simpler interface), and Streak (CRM integration). For higher volumes, dedicated platforms like Mailchimp, SendGrid, or Lemlist offer more robust infrastructure and advanced automation.
Yes, YAMM provides built-in tracking that updates directly in your Google Sheet. You can see which recipients opened your email, clicked links, and when these actions occurred. This data helps measure campaign effectiveness and identify engaged contacts.
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