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Mailyond vs spFlat!

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

Mailyond compared with spFlat!
DetailMailyond logo Mailyond spFlat!
What it doesOne email inbox for all your domains, plus a send API for your app Automated SPF flattening service that prevents email delivery failures by managing SPF records within DNS lookup limits
StageStartup Not given
Founded2026 Not given
Based inRO NL
Pricing modelNot given Freemium
PricingBasic $10/month (up to 5 domains, 3,000 emails/month, $1.80 per 1,000 extra emails); Agency $40/month (up to 30 domains, 15,000 emails/month, $1.30 per 1,000 extra emails). 7-day free trial on Basic plan. Free 14-day trial. After trial: €10 per domain per month. No setup fees, cancel anytime.
Key features
  • Multi-domain inbox with color tagging by project
  • Reply as the correct sender address
  • Transactional send API (Resend compatible)
  • One DNS setup per domain (no forwarding rules)
  • MCP server integration with AI agents
  • Team collaboration (up to 10 members on Agency plan)
  • Postmark delivery on authenticated domain
  • Overage pricing for additional volume
  • HTTP API and MCP for programmatic access
  • Automatic SPF record flattening
  • DNS lookup limit prevention
  • Real-time SPF monitoring
  • 24/7 IP range monitoring
  • 1-click DNS updates
  • Free SPF lookup audit
  • 99.9% uptime SLA
What makes it different
  • Single inbox and API for all domains instead of multiple services per domain
  • No per-seat pricing, flat rate per domain bundle
  • Authenticated replies solve DMARC issues that forwarding cannot
  • Built by founder solving his own problem
  • AI agent integration without separate tooling
  • Automatically converts complex SPF include chains into flat records using only 1 DNS lookup instead of many
  • Continuously monitors email provider IP changes and updates your SPF record 24/7 automatically
  • Improves email deliverability by up to 15% through proper SPF record management
  • ISO 27001 and NEN 7510 certified hosting with GDPR compliance
Community votes00
DR (Domain Rating by Ahrefs)17 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)223
Citation Flow (Majestic)2311
Referring domains (Majestic)1024

5 details filled in for both companies.

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