Mailfox vs FutureMail

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

Mailfox compared with FutureMail
Detail	Mailfox	FutureMail
What it does	Get instant notification of failed emails from your transactional email providers	Email hosting for your own domain, built for people and their AI agents
Stage	Not given	Startup
Founded	Not given	Not given
Based in	AT	US
Pricing model	Paid	Freemium
Pricing	One-time payment: 99€	Free plan: sandbox domain (myapp.fm-sandbox.dev), up to 10 recipients per rolling 24 hours (300 a month), no card required. Pro: $20/month, 50,000 recipients a month, unlimited custom domains and addresses, agent inboxes, REST API, CLI and MCP server. Charged in USD monthly; hard limits with no over
Key features	Instant notifications for email failures Support for Mailgun, SendGrid, Mailjet, Brevo, Resend and Postmark No-code setup in one minute Track multiple email event types Connect unlimited providers Unlimited email event tracking Multiple provider support simultaneously Webhook-based architecture	Unlimited domains and email addresses Agent inboxes with scoped API keys REST API and Resend-compatible API Remote MCP server Keyboard-first web inbox with threading and search SMTP relay and CLI tool DKIM, SPF and DMARC setup with live verification Webhooks, templates and scheduled sends Open and click tracking Team roles and audit log without per-seat fees
What makes it different	One-time payment model with unlimited lifetime use No API tokens or credentials required Real-time webhook notifications from email providers	Agent-native with scoped API keys and MCP server integration Resend-compatible API for drop-in migration One flat price for unlimited domains and team members Built-in deliverability with automatic suppression Transactional email only for consistent deliverability
Community votes	0	0
DR (Domain Rating by Ahrefs)	12 −17 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	9	2
Citation Flow (Majestic)	22	22
Referring domains (Majestic)	91	10

6 details filled in for both companies.

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