| What it does | Transactional email API with per-key budgets and guardrails for AI agents
| AI-powered email client with unified inbox, encryption, and calendar for Mac, iPhone, Android, and Windows
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| Stage | Not given
| Established
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| Founded | Not given
| 2016
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| Based in | US
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| Pricing model | Not given
| Freemium
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| Pricing | Not given
| Free plan includes unified inbox, snooze & pin, email templates, and inbox zero features. Growth plan: $36/year (or $3/month billed yearly) includes AI Copilot, read receipts, send later, calendar & scheduling, and inbox cleaner. Pro+ plan: $100/year (or $10/month billed yearly, with 2 months free)
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| Key features | - Per-key send budgets enforced as emails are sent
- Approval queue for held and agent-requested sends
- Account-wide kill switch to pause all senders instantly
- Loop detection that holds suspicious repeated sends for review
- REST API and MCP server with identical operations
- Detailed email delivery logs with status and reasons
- DNS verification with copy-paste records and validation
- Bounce and complaint tracking per domain over rolling 7 days
- Batch sends up to 500 emails with per-item error reporting
| - AI email writer that composes messages tailored to your voice
- Email thread summarization in seconds
- Automatic email categorization for distraction-free inbox
- Read receipts with instant notifications
- PGP end-to-end encryption with in-app key management
- SecureSend for encrypted messages with expiration and password protection
- Phishing detection and alerts for suspicious links
- Pixel and tracker blocking to protect privacy
- Shared inbox for team collaboration and real-time updates
- Email assignments with clear ownership and AI routing
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| What makes it different | - Up to 75% cheaper than Resend on equivalent email volumes
- Error responses name the exact fix needed instead of just a code
- Resend-compatible API eliminates need to rewrite integration code
| - AI-powered inbox management that identifies important emails and drafts replies automatically
- Privacy-first design with end-to-end encryption built-in by default
- Enterprise-grade security for both work and personal email accounts client-side
- Unified inbox for unlimited email accounts across Gmail, Outlook, iCloud, IMAP, and Exchange
- Cross-platform synchronization across Mac, iPhone, iPad, Windows, and Android
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 33 ● no change since last check | 70 ● no change since last check |
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| Trust Flow (Majestic) | 1 | 21 |
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| Citation Flow (Majestic) | 30 | 41 |
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| Referring domains (Majestic) | 31 | 1171 |
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AgentiSend
Canary Mail