ToolPublished

GMass

GMass is a Gmail-based email marketing and cold email platform that lets users send mass personalized campaigns directly from Gmail with advanced sequencing, AI spintax, mail merge from Google Sheets, and deliverability features like Spam Solver.

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Created	June 11, 2026
Updated	June 16, 2026
Confidence	88%
url	https://www.gmass.co/
why_us	Useful for RevOps outreach teams using Gmail: enables scalable personalized cold email from existing Google accounts, with AI spintax and dynamic list support from Google Sheets data.
has_api	false
has_mcp	false
pricing	paid
added_at	2026-06-11
added_by	user
curated_at	2026-06-11
curated_by	kb-curator-agent
curation_run	1
main_use_case	Send mass personalized cold email campaigns and automated follow-up sequences directly from Gmail, with mail merge from Google Sheets.
relevance_tier	useful
community_notes	Unique Gmail-native approach; includes ColdSMTP sending server, AI-powered Spam Solver, and real-time sending speed monitoring; free Google Sheets CRM available.