| What it does | Fast, reliable, and secure email delivery platform for developers
| Free, open source email client with mail, calendar, contacts and AI
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Open source
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| Pricing | Free: 3,000 emails/month, 100 emails/day limit, 3 sending domains, no credit card required. Pro: $20/month for 50,000 emails/month, $0.90 per 1,000 overage. Scale: $75/month for 100,000 emails/month, $0.90 per 1,000 overage. Enterprise: Custom pricing for 3M+ emails/month with dedicated infrastructu
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| Key features | - Sub-120ms API latency for email delivery
- 99.99% uptime guarantee with multi-region infrastructure
- Type-safe SDKs for TypeScript, Python, and Go
- Developer-first React and HTML templates
- Automatic SPF, DKIM, and DMARC verification
- Native Model Context Protocol (MCP) integration
- Supabase and database trigger integrations
- Business mailboxes with custom domains
| - Mail over IMAP or POP3 with search by sender, date and attachments
- Calendar with CalDAV sync in day, week, month and year views
- Contacts with CardDAV sync with email, phone, company and birthday fields
- Read receipts showing Delivered, Opened or Bounced status
- AI summaries, replies and questions using your own API key
- Message and reply translation between languages
- Custom signature for each mailbox
- Built-in settings for Gmail, iCloud, Outlook, Yahoo, Fastmail, Zoho, GMX, Yandex and Proton Bridge
- Open source template for building branded mail clients
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| What makes it different | - 3.2x higher click engagement than competitors
- Generous free tier with 3,000 emails/month, no credit card required
- 40+ worldwide dispatch hubs for global reach
| - Free and open source under MIT licence with no restrictions on use, modification or resale
- Works with any IMAP or POP3 mailbox including Gmail, iCloud, Outlook and others
- Calendar and contacts integrated in the same window with mail
- Bring your own AI from Anthropic, OpenAI, Google, xAI or Perplexity
- Build your own branded desktop app by customising the open source template
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ▲ +1 (up) since last check | 11 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 3 | 2 |
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| Citation Flow (Majestic) | 32 | 28 |
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| Referring domains (Majestic) | 576 | 41 |
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