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Email domain reports

Company email formats, verification and catch-all status by domain

The most common email format, catch-all status and mail provider for 111 company email domains, from the addresses mailfloss verified in the 90 days to November 6, 2026. Each report carries its own dates.

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All domains, A to Z

111 reports

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The numbers come from email verifications mailfloss runs for its customers. Pages show rounded aggregates only: no addresses, names or single results. Read how mailfloss measures email formats and catch-all status.