What does email validation check? +
Email validation checks: (1) Format — does it follow user@domain.tld? (2) Domain validity — legitimate TLD? (3) Role-based — shared inbox like info@ or admin@? (4) Disposable — temporary throwaway from services like Mailinator?
What is a disposable email? +
Disposable emails are temporary inboxes from services like Mailinator, Guerrilla Mail, and 10 Minute Mail. They expire in minutes or hours. They're completely useless for email marketing and should always be removed from your list.
Can this verify if an inbox actually exists? +
This tool performs client-side validation — format, TLD, disposable domains, and role-based prefixes. Full SMTP verification requires server-side tools. This catches 80% of problematic emails without any server calls.
Is the validation free and private? +
Yes, 100% free and private. All validation runs in your browser with JavaScript. No email addresses are sent to any server.