Email Validator by Sidemail

Free email address validator (inc. SMTP deep check)

Product HuntEmailLaunched Feb 1, 202614#19 of the day

About Email Validator by Sidemail

Free, fast, no-login email validity checker. Paste an email address, and we’ll check syntax, domain & MX records, flag disposable providers and typos, and optionally run a safe SMTP deep check without sending email. You can copy the results and validate more addresses in seconds.

The person behind Email Validator by Sidemail

Patrik Krupar
Maker
Maker. Indie hacker.
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