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GMass

GMass allows you to easily schedule emails, send out mass emails and mail merge campaigns and more with Gmail! Click here to learn about more features!

Published: 2025/12/24

Introduction

GMass transforms Gmail into a powerful email marketing and cold email platform. It enables users to send mass emails, mail merge campaigns, and automated follow-up sequences directly from their Gmail account.

Key Features:

  • Break Gmail's Sending Limits: Utilize proprietary technology to send email campaigns larger than standard Gmail limits.
  • Google Sheets Integration: Perform mail merges by connecting directly to Google Sheets, reading merge fields live, and even automating sends to new rows.
  • Campaign Analytics: Access sharable reports on opens, clicks, replies, and bounces, available on desktop and the Gmail app.
  • Advanced Personalization: Personalize emails at scale using mail merges with Google Sheet columns, conditional logic, and automatic first/last name detection with fallback values.
  • Automated Follow-up Emails: Set up multi-stage automatic follow-up sequences that send until a recipient replies, significantly boosting response rates.
  • Scheduling: Schedule mail merges for future delivery or set them to repeat daily or hourly.
  • Behavior-based Campaigns: Send follow-up campaigns to specific segments of a prior campaign (e.g., those who opened or didn't click).
  • Reply, Unsubscribe, and Bounce Management: Automatically categorize replies and bounces to keep the inbox clutter-free and prevent future sends to invalid addresses.
  • Email List Builder: Create targeted email lists by searching existing contacts within your Gmail account.
  • Email Verification & Testing: Verify email lists pre-send, test links, and identify/fix spam triggers to maximize deliverability.
  • SMTP Integration: Integrate third-party SMTP services to further bypass Gmail's sending limits.
  • A/B Testing: Test variations in campaigns and automatically deploy the winning version.
  • Template Management: Save sent emails as templates for future use by you and your team.
  • API: Connect GMass with other applications using its REST API, webhooks, or Zapier.

Use Cases: GMass is ideal for various outreach needs, including cold email outreach for sales, link building, membership communication, recruiting, PR campaigns, political campaigns, wedding invitations, church emails, HOA communications, teacher communications, real estate marketing, internal communications, and sports club announcements.

FAQ

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