Disposable provider profile
Is guerrillamail.org a disposable email domain?
Yes. guerrillamail.org is operated by Guerrilla Mail, a temporary inbox. Guerrillamail.org is another TLD spelling of Guerrilla Mail, part of the cluster of interchangeable domains the service publishes. Choosing .org over .com changes nothing about the throwaway inbox behind it. Its role is to give users a fallback when a site blocks the primary address.
Why block or review guerrillamail.org
Temporary mailbox services from this family are risky signup contacts.
Because Guerrilla Mail inboxes are publicly accessible and generated on demand, an address on guerrillamail.org 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 guerrillamail.org from normal business and consumer inboxes.
- Run a full verification pass before sending campaigns or approving important product accounts on Guerrilla Mail.
- Apply stricter rules for signup, abuse prevention, and free-trial flows than for low-risk newsletters.
How Verifly flags guerrillamail.org
When you verify an address on guerrillamail.org, the Verifly API returns is_disposable: true inside the response details, so you can auto-route it before it reaches your list.
# Check guerrillamail.org with the Verifly API
curl -X GET "https://verifly.email/api/v1/verify?email=someone@guerrillamail.org" \
-H "Authorization: Bearer vf_your_api_key"
# Response includes:
# "details": { "is_disposable": true, ... }
# Guerrilla Mail addresses are flagged is_disposable: trueFrequently asked questions about guerrillamail.org
Is guerrillamail.org more legitimate than .com?
No, the .org label does not change the disposable behavior.
Is it the same service?
Yes, one operator running many interchangeable domains.
How should I treat guerrillamail.org?
Filter it with the rest of the Guerrilla Mail family.
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.