AI-sorted unified inbox for multiple email accounts with reasoning on every message
The email verification tool built for scale with real-time SMTP checks and 99.9% accuracy
Stage
Startup
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Founded
2026
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Based in
IN
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Pricing model
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Freemium
Pricing
Free trial: 14 days, 5 mailboxes, 4,000 AI credits, no card required. Solo: $19/month or $180/year (billed yearly, save 21%) for 5 mailboxes. Stack: $29/month or $276/year (billed yearly, save 21%) for 15 mailboxes. Extra mailboxes: $3/month each. All paid plans include full AI triage with no per-me
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Key features
Unified inbox combining multiple Gmail, Outlook, and IMAP accounts
AI triage with reasoning on every message
Ask Zero for semantic search across all inboxes with cited results
Auto-drafted replies that wait for your approval
Sweeps to unsubscribe from senders you never open in bulk
Google and Microsoft calendar integration in the interface
Offline access with a month of mail cached
Live SMTP mailbox verification checking if a mailbox exists and accepts mail
Bulk file upload and processing for CSV and XLSX lists
REST API with batch requests supporting up to 50 addresses per call
Risk flagging for disposable, role, and catch-all addresses
MCP server integration for AI agents like Claude and Cursor
Email finder turning a name and company domain into verified work address
White-label service with custom domain and client workspaces
Free email tools including SPF, DKIM, DMARC checkers and DNS lookups
What makes it different
No automatic sends: rules can draft but only you press Send
Reasoning visible on every tag so you can argue with it
All features included on paid plans with no per-message credits
Minimal data retention: only headers and search index stored, bodies encrypted and cached
MorningZero
BillionVerify