Free tool
Disposable Email Detector
Is this a throwaway domain? Matched against a list of known temporary email providers — in your browser, no mail sent.
Paste a domain
Type the domain you suspect is disposable.
Match the list
Checked against known throwaway providers.
Read the flag
Disposable or not — flagged, never fatal.
How the list looks
A sample of the throwaway providers matched before any packet is sent. The list is maintained by hand — a clean hit isn't a guarantee, which is why the API's verdict is the pipeline's, not this list's.
- 10minutemail.com
- guerrillamail.com
- mailinator.com
- tempmail.com
- yopmail.com
- throwaway.email
- dispostable.com
- trashmail.com
matched at the domain level · flagged → risky, not undeliverable
Related free tools
Each tool checks exactly one thing. To run the full pipeline — MX lookup, live SMTP probe and catch-all detection with a reason and a score — use the API.