Warmforge Review 2026
Reach Your Prospects' Inboxes, Without Compromising Scale
What is Warmforge?
Warmforge is a premium email warm-up and deliverability tool (part of the Forge stack) that warms mailboxes with AI-written emails, runs placement tests, and monitors sender health. It works with Google Workspace and Microsoft 365.
Best for
SMB
Use cases
- Improve deliverability
- Cold email infrastructure
- Sender reputation protection
Key features
AI email warm-up
Placement tests
Deliverability monitoring/health checks
Curated aged-account warm-up pool
Auto-remove from spam
API/MCP/CLI
Pricing
Model
freemium
Price range
1 free warming slot and 1 free placement test; paid mailbox slots
Free tier
Yes
Integrations
Warmforge integrates with 5 tools including:
Google WorkspaceMicrosoft 365SalesforgeMailforgeInfraforge
Team behind Warmforge
- FSFrank Sondors38K followers
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