Postal vs emailverifier.dev

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

Postal compared with emailverifier.dev
Detail	Postal	emailverifier.dev
What it does	Open source mail delivery platform for incoming and outgoing email	Email verification API that catches invalid addresses and disposable inboxes at signup
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Open source	Freemium
Pricing	Not given	Free: 1,000 checks on first project, no card required, credits never expire. Paid: $10 per pack of 20,000 checks ($0.50 per 1,000 checks), no subscription or credit expiry, optional auto top-up.
Key features	Comprehensive web interface for mail server management and logs Horizontal scalability for mail service Webhooks for delivery notifications Development mode for message testing IP pools for reputation management Spam and antivirus integrations	Email format and domain validation checking syntax and mail-routing DNS Disposable email provider identification Mailbox acceptance checking whether mail server accepts the address Typo suggestion for likely corrections Allow, review, or block recommendation with reasons Bulk CSV verification up to 5,000 addresses per job REST API and MCP endpoint integration Domain intelligence reports showing provider classification
What makes it different	Open source alternative to Sendgrid, Mailgun and Postmark Self-hosted on your own infrastructure Full control over mail delivery and data	No subscription required, pay only for what you use with one-time credit packs Credits never expire and carry over between purchases Free tier with 1,000 credits requires no card to start Detailed result signals showing structure, domain, context, and mailbox evidence separately for custom handling
Community votes	0	0
DR (Domain Rating by Ahrefs)	52 no change since last check	4 no change since last check
Trust Flow (Majestic)	11	0
Citation Flow (Majestic)	37	28
Referring domains (Majestic)	331	48

4 details filled in for both companies.

More alternatives to Postal More alternatives to emailverifier.dev