100% free cold outreach platform with unlimited mailboxes and autonomous warmup
Cold email automation with unlimited mailboxes and automatic inbox rotation
Stage
Not given
Startup
Founded
Not given
2026
Based in
Not given
Not given
Pricing model
Free
Freemium
Pricing
Free forever with unlimited inboxes, sequences, warmup, and unified inbox. Optional paid add-ons planned for premium B2B lead data and dedicated private IP pools.
Free: up to 10,000 sends per month with small footer. Monthly: $25/month (regular $45) with 7-day free trial. Yearly: $199/year (regular $399). All paid plans include unlimited sends, unlimited mailboxes, and unlimited team seats.
Key features
Unlimited connected mailboxes across Google Workspace, Microsoft 365, and private SMTP
Autonomous peer-to-peer email warmup included at zero cost
Multi-step automated cold email sequences
Unified master inbox (Unibox) for all connected mailboxes
Dynamic spintax personalization for email templates
Automated mailbox rotation across connected accounts
Spam folder rescue for warmup emails
Enterprise analytics engine and reporting
Support for unlimited contact uploads
Unlimited mailboxes with automatic rotation
Automatic warm-up ramp
Daily and hourly sending caps
Merge tag personalization
Gmail and Outlook integration
MCP server for Claude and ChatGPT
What makes it different
Unlimited mailbox connections without per-mailbox tiers or paywalls
AI-powered thread replies integrated into warmup process
Bring your own domains and leads model reduces dependency
14-day gradual warmup ramp with automated sender reputation building
One flat price for unlimited mailboxes and team seats—no per-mailbox fees or per-user charges
Integrated warm-up ramp included in every plan
Bounce intelligence that automatically pauses bouncing inboxes
Manage campaigns from Claude or ChatGPT without leaving your chat