How many domains does smtp.dev use?

We've linked 0 domains to smtp.dev. Disposable providers commonly rotate through many domains to evade domain-based blocklists.

What mail infrastructure does smtp.dev run on?

Domains on smtp.dev share mail infrastructure: MX hosts under smtp.dev. That shared infrastructure is how we detect new rotating domains from this provider.

How do I block signups from smtp.dev?

Check the sender's email domain against BounceCheck's disposable-email API before accepting a signup — domains matching smtp.dev's known infrastructure are flagged automatically.

§ DISPOSABLE PROVIDER PROFILE

smtp.dev

A temporary email address provider running on 0 known domains behind mail infrastructure under smtp.dev. Addresses generated on any of its domains are temporary and typically stop receiving mail within hours or days.

Most recently updated —

Domains associated with smtp.dev

No domains recorded yet for this provider.

§ FAQ

Frequently asked questions

Yes. smtp.dev is a temporary/disposable email service — addresses generated on it are meant for short-term use and should generally be treated as unreachable for signups.

§ DISPOSABLE PROVIDER PROFILE

smtp.dev

Most recently updated —

Domains associated with smtp.dev

No domains recorded yet for this provider.

§ FAQ

Frequently asked questions

Yes. smtp.dev is a temporary/disposable email service — addresses generated on it are meant for short-term use and should generally be treated as unreachable for signups.