GMass

A Gmail-based email campaign tool that sends newsletters, announcements, cold outreach, and transactional emails with mail merge, personalization, and follow-ups. It is for marketers and sales professionals in B2B organizations of varying sizes who run outreach from Gmail. It is delivered as a Chrome extension and SaaS that operates inside Gmail and Google Sheets and connects via SMTP, API, and Zapier.

Key features

• Break Gmail sending limits
• Google Sheets merge fields
• Campaign analytics and reports
• Mail merge personalization
• Automatic follow-up sequences
• Schedule and repeat mail merges
• Email polling surveys
• Send as replies
• Segmented campaigns
• Reply management
• Unsubscribe management
• Bounce management
• Email list builder from Gmail
• A/B testing
• SMTP integration
• Transactional email sending
• Email verification
• Reusable email templates
• REST API and webhooks
• Deliverability tools