| What it does | DMARC monitoring and enforcement platform across 9 email authentication protocols
| A hosted testing SMTP inbox that captures emails without delivering them
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| Stage | Startup
| Not given
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| Founded | 2025
| Not given
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| Based in | EE
| BD
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| Pricing model | Freemium
| Freemium
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| Pricing | Free plan: 2 domains, 7 protocols. Pro: $29/month for 2 domains, then $15/domain/month (3-10 domains), $10/domain/month (11+ domains). Founding members: $14.50/month for 2 domains, then $7.50/domain/month (3-10), $5/domain/month (11+), locked 24 months with permanent 15% alumni discount. Hosted DNS
| Free: 2,500 emails/month, 7-day retention, 5 team members, 1,000 API requests/day, 1 webhook. Pro: $15/month (or $144/year, $12/month billed yearly), 50,000 emails/month, 30-day retention, 15 team members, 30 requests/second, 10 webhooks. Team: $49/month (or $468/year, $39/month billed yearly), 250,
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| Key features | - Monitor 9 email authentication protocols including DMARC, SPF, DKIM, BIMI, MTA-STS, TLS-RPT, ARC, DANE, and ARF
- Identify 170+ named senders automatically instead of showing raw IP addresses
- Step-by-step remediation guidance with service-specific fixes for 28+ email services
- Compliance scoring with A-F grades and exportable PDF audit reports
- DMARC policy enforcement workflow from p=none through p=quarantine to p=reject
- Look-alike domain scanner to detect typosquatting and phishing domains
- Anomaly detection with alerts via email, Slack, Teams, or webhooks
- REST API access and 17 MCP tools for AI-powered monitoring
- PCI DSS v4.0.1 and NIS2 compliance evidence generation
| - Capture-only SMTP server on ports 587, 465 and 2525
- HTML, text, raw source, and full headers inspection
- REST API with wait-for-email endpoint for CI
- MCP server for AI coding agents (Claude, Cursor)
- Webhooks for notifications
- Team roles and email invites
- Chaos testing for SMTP failure scenarios
- Separate inboxes per project with unique SMTP credentials
- Desktop, tablet and mobile preview widths
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| What makes it different | - 7 core email authentication protocols free; all 9 from Pro tier, while competitors gate basic protocols behind premium plans
- Actionable step-by-step remediation guidance instead of monitoring dashboards alone
- Transparent per-domain pricing published on the website with no hidden quote-based pricing
- RFC-strict implementations with no shortcuts to standards compliance
- Bootstrapped company with no compromise on free tier or data monetization
| - Messages are never delivered to real customers
- Works with any mailer or framework that sends SMTP
- Compatible with SendGrid, Mailgun, Postmark and Resend SDKs
- AI agents can test emails over MCP
- Customer data hosted in Germany (EU)
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 28 ▲ +1 (up) since last check | 3 ▲ +3 (up) since last check |
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| Trust Flow (Majestic) | 9 | 0 |
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| Citation Flow (Majestic) | 36 | 0 |
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| Referring domains (Majestic) | 303 | 0 |
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DMARCguard
MailBench