Disposable provider profile
Is spam4.me a disposable email domain?
Yes. spam4.me is operated by Spam4.me, a throwaway mailbox. Spam4.me is a throwaway inbox domain tied to the Grr.la and Guerrilla-style family of temporary mail, giving users a short-lived public address. It is used to absorb the confirmation mail from a signup a user does not care about. The short lifetime and public inbox make it a clear disposable signal.
Why block or review spam4.me
Disposable mailbox domains are poor contacts for campaigns and onboarding flows.
Because Spam4.me inboxes are publicly accessible and generated on demand, an address on spam4.me rarely represents a durable customer. Segment it before billing, onboarding, CRM enrichment, or campaign sends so it does not inflate your signup counts or your bounce rate.
What to do next
- Separate addresses using spam4.me from normal business and consumer inboxes.
- Run a full verification pass before sending campaigns or approving important product accounts on Spam4.me.
- Apply stricter rules for signup, abuse prevention, and free-trial flows than for low-risk newsletters.
How Verifly flags spam4.me
When you verify an address on spam4.me, the Verifly API returns is_disposable: true inside the response details, so you can auto-route it before it reaches your list.
# Check spam4.me with the Verifly API
curl -X GET "https://verifly.email/api/v1/verify?email=someone@spam4.me" \
-H "Authorization: Bearer vf_your_api_key"
# Response includes:
# "details": { "is_disposable": true, ... }
# Spam4.me addresses are flagged is_disposable: trueFrequently asked questions about spam4.me
Is spam4.me related to Guerrilla Mail?
It sits in the same family of temporary-inbox domains and behaves the same way.
Are spam4.me inboxes public?
Yes, and short-lived, so they are unreliable contacts.
Should spam4.me be blocked at signup?
For fraud-sensitive flows, yes; it is a throwaway domain.
Related disposable domains
See the full disposable domain listThis page profiles a known disposable provider; it is not a final deliverability verdict for a specific address. Verifly can verify the actual mailbox and show deeper signals before you import or send. Try the email risk checker.