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.
- 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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