Signup forms and CRM exports fill up with temp-mail addresses. The new Disposable Email Checker flags well-known throwaway hosts in a pasted list, in the browser.
It replaces the old “on the roadmap” stub on that URL. Same slug, real tool.
What it does
- Matches domains (and subdomains) against a dated denylist.
- Splits bulk paste the same way as the Email Validator.
- Copies the keep-list or the throwaways, or downloads CSV.
- Leaves privacy aliases (Hide My Email, SimpleLogin, Relay) off the list.
What it does not do
No MX. No SMTP. No “this inbox exists.” Pair with format checks, dedupe, and your ESP.
Learn more
The Email List Quality hub is the map. The checker guide explains suffix matching. Then run the Disposable Email Checker.
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Frequently Asked Questions
Does not-listed mean the address is real?
Is my list uploaded?
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