Disposable provider profile
Is guerrillamail.de a disposable email domain?
Yes. guerrillamail.de is operated by Guerrilla Mail, a temporary inbox. Guerrillamail.de is the German-TLD member of the Guerrilla Mail family, offered to give European users and filter-evaders another interchangeable temporary address. It runs the same operator infrastructure with the familiar one-hour, public-inbox model. The country-code label does not make it any more durable.
Why block or review guerrillamail.de
Temporary mailbox domains should be checked before CRM sync.
Because Guerrilla Mail inboxes are publicly accessible and generated on demand, an address on guerrillamail.de 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.de 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.de
When you verify an address on guerrillamail.de, the Verifly API returns is_disposable: true inside the response details, so you can auto-route it before it reaches your list.
# Check guerrillamail.de with the Verifly API
curl -X GET "https://verifly.email/api/v1/verify?email=someone@guerrillamail.de" \
-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.de
Is guerrillamail.de a German company mailbox?
No, it is a Guerrilla Mail alternate on a .de domain.
Does the .de TLD change its lifetime?
No, it is still a short-lived public inbox.
Should guerrillamail.de be filtered?
Yes, block it with the whole Guerrilla 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.