Self host Email Validation – Unlimited email verification with private, local processing

Summary: Cleanmails is a self-hosted email validation suite that verifies unlimited emails via SMTP, analyzes spam triggers, cleans lists, and extracts emails without exposing data to third parties. It uses an 8-step verification process and deep SMTP handshaking to ensure high accuracy comparable to paid APIs.

What it does

It validates emails locally or on private cloud, identifying invalid, risky, and burner addresses while analyzing spam triggers and sanitizing email lists quickly.

Who it's for

Users needing private, unlimited email verification and list cleaning without relying on third-party APIs or subscriptions.

Why it matters

It eliminates API fees and protects data privacy by processing email validation entirely on user-controlled infrastructure.