Unbox is a temporary email provider
We have recorded 2 domain(s) routed through Unbox's mail servers. Of those, 1 (50%) are classified disposable. Addresses on these domains are created for one-off use and abandoned, which for SaaS products and mailing lists means fake signups, free-trial abuse and bounces later.
2 domain(s), newest first.
| Domain | Added | Classification |
|---|---|---|
| exams.unbox.edu.pl | Mar 12, 2026 | Disposable |
| post.unbox.edu.pl | Mar 29, 2026 | University |
See whether any domain is disposable, forwarding or safe.
Enter a domain to check it against our database
Checking syntax, MX, SMTP, trust, gateway, and domain profile…
Enter a domain above and click Check to see results.
Blocking one provider is whack-a-mole — operators spin up new domains daily. The API scores every signup against the whole catalogue as it grows.
What you unlock