Question 1

How does email verification work?

Accepted Answer

Verification runs in layers: a syntax check on the address, an MX lookup to confirm the domain has mail servers, then an SMTP conversation with that server asking whether the specific mailbox exists. Nothing is ever delivered — the connection names the address, reads the response and closes.

Question 2

Is there a limit on how many emails I can verify?

Accepted Answer

No monthly limit. There is one plan at $29.99 a month with unlimited verifications — no credits, no caps, nothing to expire. Verification runs at up to 45 addresses a minute per account, so a very large list queues rather than being rejected, and confirmed results are cached for 14 days so re-verifying an overlapping list costs nothing.

Question 3

What is the difference between valid, risky and invalid?

Accepted Answer

Valid means the recipient's mail server confirmed the mailbox exists. Invalid means it confirmed it does not, or the syntax is broken, or the domain has no mail server, or the domain is a known disposable provider. Risky means the domain works but the mailbox could not be confirmed — usually a catch-all domain that accepts every address. Anything unconfirmed is reported as risky, never as valid.

Question 4

Why does my address come back risky instead of valid?

Accepted Answer

Because the mailbox genuinely could not be confirmed. The most common reason is a catch-all domain, where the mail server accepts every address whether it exists or not, so no verifier can tell a real mailbox from an invented one. Greylisting and servers that refuse to answer also produce risky. Reporting those as valid would inflate our accuracy figure and hand you the bounces.

Question 5

What file formats do you support?

Accepted Answer

CSV files with an email column, up to 100,000 rows. The column is detected automatically, and results download as separate files for valid, risky and invalid so you can send to each differently.

Question 6

What else is included besides verification?

Accepted Answer

Everything except lead sourcing is unlimited on the same plan: the email finder, which turns a name and company domain into a verified address; website enrichment for emails, owner names and socials; and SPF, DKIM, DMARC and blocklist checks. Lead search is included with a published fair-use limit of 10,000 records a month, because it is the one feature with a real per-record cost.

Question 7

Can I cancel my subscription anytime?

Accepted Answer

Yes. There are no contracts and no cancellation fees. Cancel from your account and the subscription ends at the close of the current billing period.

Question 8

Do you store my email lists?

Accepted Answer

Uploaded files are processed and the results made available for download; we do not keep your lists as a marketing asset or share them. Confirmed verification results are cached by address for 14 days so repeat checks are instant and consume no new connections.

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