| What it does | The email verification tool built for scale with real-time SMTP checks and 99.9% accuracy
| Fast, keyboard-first Gmail client with an AI assistant you control
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| Stage | Not given
| MVP
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Not given
| Free: one Gmail or Workspace inbox, split inbox, snooze, send later, reminders, snippets, calendar, analytics, Claude/ChatGPT/Codex read and draft access, 20 hosted AI calls. Pro: $29/year, covers unlimited inboxes, Claude/ChatGPT/Codex send and archive, hosted AI, background assistant.
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| Key features | - 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
| - Keyboard shortcuts for every action (J/K to move, E to mark done, H to snooze, R to reply)
- Split inbox with people-first sorting
- Snooze with natural language
- Send later and scheduled sends
- AI-powered draft writing in your tone
- Undo send up to 30 seconds
- Claude, ChatGPT and Codex integration
- AI mail triage with automatic labels
- Meeting briefs with recent context
- Gmail stays your source of truth
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| What makes it different | - 99.9% accuracy through multi-layer verification (syntax, domain, MX, SMTP, risk signals)
- Lowest pricing: $0.001 per email on entry plans, down to $0.00014 on annual plans
- You only pay for definite results; unknown results and invalid syntax addresses are free
- Credits never expire whether purchased or earned through daily free allowance
- Works across multiple interfaces: dashboard, API, MCP server, and AI agent skills
| - 90% cheaper than Superhuman at $29/year vs $300/year
- One inbox free forever with no limits
- AI assistant off by default and never sends
- Works with any AI: bring your own key, local model or Chrome's
- Mail stays in Gmail, Donezo keeps minimal data
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 60 ▲ +1 (up) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 10 | 3 |
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| Citation Flow (Majestic) | 25 | 16 |
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| Referring domains (Majestic) | 347 | 3 |
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BillionVerify
Donezo Inbox