Disposable Email Detector
Disposable addresses are a signup-fraud and free-tier-abuse signal. This tool flags them against a maintained list of known throwaway domains.
Pattern-matches the domain against the public maintained list of disposable email providers. Returns a confidence score.
On signup forms (block or flag). When cleaning prospect lists imported from public sources.
FAQ
Should I block disposables at signup?+
Depends on the funnel. For paid: block. For free / freemium: flag but allow; some legitimate users use them for privacy.
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Articles, glossary entries, and other tools on the same topic.
You validated the setup. Want the live monitor that watches it forever?
One-time validation catches today's misconfiguration. Outsolvi watches every send forever and flags the day your record stops passing, the day a sender goes rogue, or the day a bounce pattern shifts. From $7/user/mo yearly.
Switch on continuous monitoringNate built Outsolvi after watching every email-tracking tool he had ever used lie to him about opens. Outsolvi runs Tier 1 to 5 confidence scoring on every open, native in Outlook and Gmail, so the number on the dashboard is one a rep can actually act on.
We update these pages when the underlying mechanics change — new mailbox-provider rules, new tracker behavior, new measurement gaps. The dates above are real revisions, not auto-touches.