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검증 결과, 결제 및 BillionVerify 작동 방식에 대한 답변을 확인하세요.
BillionVerify 자주 묻는 질문
각 결과의 의미, 크레딧이 청구되는 시점, 메일함 검증 방식을 알아보세요.
답변 13개
What do the verification statuses mean? (valid, invalid, catch-all, unknown, disposable, role)
Understand valid, invalid, catch-all, unknown, disposable, and role results, including which outcomes use credits.
제공업체 제한Why are iCloud (icloud.com / me.com / mac.com) addresses not marked "valid"?
Learn why iCloud, me.com, mac.com, and Hide My Email addresses return unknown instead of valid.
제공업체 제한Why are Outlook / Hotmail / Live addresses not marked "valid"?
Learn why personal Microsoft addresses return unknown and how Microsoft 365 business domains differ.
검증 결과What does an "unknown" result mean, and what should I do with it?
Unknown means the receiving mail system did not provide a reliable answer; it does not mean the address is bad.
검증 결과Why is an address marked catch-all instead of valid?
Catch-all means the domain accepts every recipient without confirming whether the specific mailbox exists.
검증 결과Why was an address I believe is active marked "invalid"?
Invalid is based on a concrete rejection from the receiving server, not a guess about the mailbox.
검증 결과What does the "score" in the result mean?
The 0.0–1.0 score reflects deliverability confidence and should always be read together with the status.
검증 결과Why did my result change when I re-verified the same address?
Cached results and temporary mail-server conditions can explain why a later verification returns a different status.
결제 및 크레딧Which results consume credits?
See which verification outcomes cost one credit and which results are always returned free of charge.
결제 및 크레딧Do you charge for disposable / temporary email addresses?
Disposable-domain detection is free unless you explicitly request and complete a full live SMTP verification.
결제 및 크레딧Am I charged again if I verify the same address twice?
Repeat checks for the same account and address are free within 24 hours unless you request a force refresh.
결제 및 크레딧Do my credits expire?
Purchased and bonus credits stay in your account until you use them, with no monthly reset or expiration date.
신뢰 및 개인정보 보호Does verification send a real email to the address?
Verification checks the receiving mail server but stops before transmitting any message body to the recipient.
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BillionVerify로 리스트를 정리하고, 바운스를 줄이며, 발신자 평판을 보호하세요.
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