GMass is a strong Gmail extension for sending mail merge campaigns directly from your inbox – ideal for cold outreach or newsletter-style emails.
Getting started:
- Install the GMass Chrome extension
- Connect a Google Sheet with your contact list (email addresses + custom fields)
- Compose your email in Gmail using merge tags like {{FirstName}}
- Hit the red GMass button to send or schedule your campaign
What makes GMass great:
- Tracks opens, clicks, and replies
- Supports automated follow-ups
- Keeps your emails looking personal and native to Gmail
Pro tip: Warm up your Gmail inbox before starting bulk outreach with GMass; it helps protect your sender reputation and inbox placement.