Victor Antos Email Verifier CLI

Explore this developer service’s ongoing no-cost allowance, restrictions and official documentation before deploying.

INCLUDED FREE ALLOWANCEFree MIT-licensed Python CLI for local CSV email validation using syntax, MX and SMTP RCPT checks; no software-imposed usage quota or expiration.

View official documentation

Plan details

What do these plan and deployment labels mean?

Plan: Ongoing free allowance
Deployment model: Local / embedded
Credit card: Not required
Commercial use: Allowed
Added to directory (UTC): 2026-11-10
Last checked: 2026-11-10

Important restrictions

Requires Python 3.9+, DNS/network access and outbound SMTP port 25; large mailbox providers may return unknown results, and bulk SMTP probing may violate provider policies or local law. Run only on addresses you are authorized to verify; infrastructure and network costs are not included.

View official documentation

Independent community listing, not affiliated with the provider. Always check the latest billing policy and quotas before enabling paid usage.