domain report
Is 3mi.org a disposable email?
Yes. 3mi.org is a disposable email domain: a throwaway inbox service.
Disposable inbox — it will stop receiving mail soon.
- category
- disposable
- recommendation
- block
- confidence
- 97%
- Google Workspace: not detected
- Microsoft 365: not detected
Mail setup
- Receives mail
- Yes
- Mail provider
- —
- SPF
- v=spf1 mx -all
- DMARC policy
- quarantine
| Priority | MX host |
|---|---|
| 10 | box.fidei.email |
Workspace
- Google WorkspaceNot detected
- Microsoft 365Not detected
Detected per company domain from public DNS and Microsoft's documented tenant discovery — never per person.
Why this verdict
Confidence 97% · recommendation block under the default b2b policy.
What this means
Addresses at 3mi.org are created in seconds without sign-up and are usually abandoned soon after. They are used to get past email verification, claim free trials more than once or avoid follow-up email. It is on our disposable email domains list.
isBusinessEmail returns category "disposable" and recommends block under every policy (b2b, strict and lenient). 3mi.org receives mail through box.fidei.email.
Questions about 3mi.org
Is 3mi.org a disposable email domain?
Yes. 3mi.org is on the isBusinessEmail disposable list, so a check returns category "disposable" and the recommendation "block".
Should I block 3mi.org at sign-up?
For most products, yes: a disposable inbox stops receiving mail soon, so you can't reach the user later. isBusinessEmail recommends block under all three policies.
Can 3mi.org receive email?
3mi.org receives mail through box.fidei.email.
How do I detect addresses like 3mi.org automatically?
Call POST /v1/check with the address or domain. Disposable domains come back with is_disposable: true, from a list merged from open sources and our own detection and updated daily.