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Helo vs DomainCanary

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Helo compared with DomainCanary
Detail HeloDomainCanary logo DomainCanary
What it doesAn email delivery service that actually delivers DMARC enforcement without blocking your mail
StageEstablished Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelPaid Freemium
Pricing$5/month platform fee plus $0.00035 per email. No tiers, volume commitments, or overage fees. Includes 1,000 free test emails. Free: 1 domain. Starter: $19/month or $190/year for 3 domains (then $5 each). Business: $49/month or $490/year for 10 domains (then $5 each). Portfolio: $79/month or $790/year for 25 domains (then $4 each). Enterprise: from $399/month for 100+ domains. Pay yearly and get 2 months free.
Key features
  • Email API and SMTP integration
  • Separate transactional and promotional email sending
  • Multi-tenant environment support
  • Customer isolation for platform senders
  • Spam detection and sender reputation protection
  • Custom domain support
  • Email performance analytics
  • SDKs in multiple programming languages
  • Domain and suppression management
  • Email tracking and opens/clicks monitoring
  • DMARC monitoring with daily reports from mail providers
  • Weekly Monday digest showing senders and pass/fail status
  • Guided enforcement to move policy from p=none to p=reject
  • Hosted DMARC with dashboard-based policy changes
  • Automatic rollback if policy step blocks legitimate mail
  • Hosted SPF with hourly address resolution
  • Hosted MTA-STS with certificate management
  • SPF and DKIM cleanup checks from your reports
  • Same-day alerts when new senders fail
  • Free tools: DMARC, SPF, DKIM checkers and generators
What makes it different
  • No tier commitments or overage fees - usage-based pricing only
  • Bootstrapped and independent with no investors
  • Built for platforms sending email on behalf of users
  • Team with decades of email infrastructure and deliverability experience
  • Significantly cheaper than competitors at all volume levels
  • Automatic rollback if a step blocks your own email during enforcement
  • No DNS edits needed on paid plans with hosted DMARC
  • Approval required for each enforcement step to p=reject
  • Free plan with no expiry date and one domain included
  • MSP features with client groups and scoped access
Community votes00
DR (Domain Rating by Ahrefs)6 −1 (down) since last check21 no change since last check
Trust Flow (Majestic)69
Citation Flow (Majestic)2727
Referring domains (Majestic)11427

5 details filled in for both companies.

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