Dev Ops · n8n
Block Disposable Email Signups From Poisoning Your Trial Metrics
Disposable-email trial signups inflate your funnel and abuse free tiers. Detect throwaway domains at signup and route them for verification before they count as trials.
difficulty Beginnersetup 25 minresult Trial metrics reflect real prospects because disposable-email signups get caught and verified, not counted blindly.—
- 1
Capture the Signup
Add a
Webhooknode receiving each new trial email. - 2
Check the Domain
Add an
HTTP Requestto a disposable-domain database. - 3
Gate the Suspicious
Add an
IFnode requiring extra verification for throwaway domains. - 4
Keep Metrics Clean
Exclude unverified disposables from your trial funnel counts.
- 5
Activate and Test
Activate the workflow with a disposable test email. Confirm it's flagged.
Frequently asked questions
Why not just block them?
Some are legitimate privacy-conscious users — verification lets real ones through while stopping abuse.
Metrics impact?
Disposable signups distort activation and conversion rates — clean data means better product decisions.
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