Unverified50% confidenceFactExact time
Verifox does not trust affirmative answers for catch-all addresses; it marks them as catch-all and deducts points in the score, making the result appear as "maybe".
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/28/2026
First Seen
Valid until: 1/26/2027
Sources
Email Verification in Claude and Cursor: An Email Verification MCP in Practice
youtubeVerifox10/28/2026
Related Entities
Related Claims
UnverifiedIdentifying catch-all mailboxes usually requires sending probe requests to random addresses under the same domain; if the random address is also accepted, it is determined to be catch-all.62% similarUnverifiedCatch-all mail servers return "recipient exists" for all addresses, so an affirmative answer obtained from them has no verification value.62% similarUnverifiedCatch-all addresses cannot be further determined as to whether a specific address exists, and there is still a risk of bounce-backs during actual sending, which is an industry-wide challenge60% similarUnverifiedMore advanced email verification solutions can call the Hunter.io Verifier or ZeroBounce API to distinguish between deliverable and high-risk addresses.58% similar
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