MillionVerifier

Founded by Tamás Szabó

Verify bulk email lists and remove invalid addresses to protect sender reputation

Pricing model

Free Trial, Paid

Rating

★ Positive

Time to value

Immediate

You can use MillionVerifier to clean outdated mailing lists and verify addresses before launching campaigns. It checks single emails on demand or processes millions of records uploaded via CSV, XLSX, or TXT files. The service detects disposable mailboxes, invalid domains, spam traps, and syntax errors, helping you lower bounce rates. You can connect it directly to your email service provider through automatic syncing to keep lists clean continuously, or implement its real-time API on your web signup forms to block invalid registrations instantly.

What MillionVerifier does

Upload and verify contact lists using CSV or XLSX spreadsheetsTest individual email addresses in real timeConnect email service provider accounts to automate list cleaningIntegrate REST API endpoints into customer signup workflowsFilter out invalid domains and syntax errorsExport cleaned email lists containing only deliverable addressesTrack list health metrics and bounce statisticsVerifies bulk email lists uploaded via CSV, TXT, or XLSX filesDetects temporary, disposable, and role-based email addressesReal-time email verification REST API for web signup formsAutomatic daily email verification with EverClean for connected ESPsAdvanced detection and verification for catch-all email addressesMoney-back guarantee and refunds on risky unverified emails