Email verifier: every paid email 100% verified, live.
QuickExtract's email verifier checks every person email in real time, at the moment you request it, never from a stored database. Three checks run before an email reaches your list: format and domain, mailbox, and a dedicated catch-all check. Verification is included in the $29 for 2,000 price, so you never pay twice for the same email. You can also verify a list you already have, with the same credits.
What the email verifier checks.
Format and domain
The address is well formed, and its domain exists and is set up to receive email.
Mailbox
The mail server confirms that this exact mailbox exists and accepts mail.
Catch-all
Some domains accept every address, so a normal check can't tell real from fake. These get a dedicated catch-all verification.
Valid emails only
An email that fails any pass is dropped. You receive and pay for valid emails only.
Email verification, pass by pass.
Each pass catches a different kind of bad address. An email has to clear all three, in order, to stay on your list.
First, the address itself. Is it written the way an email address must be? Then the domain. Does it exist, and is it set up to receive email at all?
- Typos and broken addresses
- Misspelled or expired company domains
- Domains that don't accept email
Next, the person's mailbox. A mailbox check asks the company's mail server whether it will accept mail for this exact address, without sending a message.
- Wrong pattern guesses, like j.doe@ when it's jane.doe@
- People who left and whose mailbox was closed
- Misspelled names
Some servers say yes to every address, real or not, so pass two can't decide. These emails get a dedicated catch-all verification instead of a shrug.
- Guesses on domains that accept everything
- Addresses other tools leave as “unknown” or “risky”
Catch-all email verifier: why the third pass matters.
A catch-all domain accepts mail for any address, real or not. A standard check sees “accepted” for every guess, so many verifiers can only label these emails “unknown” or “risky”, and you either skip them or send and hope.
QuickExtract runs a separate catch-all verification on these domains, so you keep the real addresses and drop the guesses. That protects your sender reputation and your bounce rate.
Companies turn catch-all on for ordinary reasons: not losing mistyped mail, collecting mail for staff who left, privacy and security filtering. Whatever the reason, a mailbox-only email verifier can't see past it. Read catch-all emails explained for the full picture.
| The verifier asks about | Normal domain answers | Catch-all domain answers |
|---|---|---|
[email protected] (real person) | Accepted | Accepted |
[email protected] (wrong pattern) | No such user | Accepted |
[email protected] (made up) | No such user | Accepted |
On a catch-all domain every answer looks the same, so the mailbox check has nothing to go on. That's what the third pass is for.
What your verification results mean.
There's no pile of “unknown” addresses to sort through yourself. Every email ends up kept or dropped.
| Outcome | What it means | On your list | Email finder credit |
|---|---|---|---|
| Passed all three passes | Well formed, the domain receives mail, and the mailbox was confirmed | Kept, verified | 1 credit |
| Catch-all, confirmed | The domain accepts everything, and the catch-all pass confirmed this address | Kept, verified | 1 credit |
| Catch-all, not confirmed | The address couldn't be told apart from a guess | Dropped | No charge |
| Failed mailbox | The mail server says this mailbox doesn't exist | Dropped | No charge |
| Failed format or domain | Broken address, or a domain that can't receive email | Dropped | No charge |
The last column is for the email finder, where you pay only for valid emails found.
Verify an email address list you already have.
Emails from other tools, an old CRM export or addresses you guessed by hand can go through the same three passes. The standalone verifier uses the same credits as the finder, $29 for 2,000. Invalid addresses are dropped, so your list keeps only valid emails.
Lists from other tools
Another tool marked some addresses “risky” or “unknown”? Run them through the catch-all pass and keep the ones that are confirmed.
Pattern guesses
Built first.last@ addresses by hand? Verify them before you send. One bounce isn't a disaster. Many from the same domain are.
Free company emails
Company inboxes QuickExtract finds are free, but they aren't run through the three passes. Verify them with credits if you want them checked too.
When to verify an email address.
- Any campaign to addresses you didn't see published
- The first sends from a new domain, which has little reputation to absorb bounces
- Importing contacts into your CRM, so bad addresses don't get reused for months
- A list has sat unused for a while, because people change jobs
- You bought, inherited or exported the list from somewhere else
- Bounces start climbing on a campaign
Verification checks the mailbox at that moment. It isn't a delivery guarantee: spam filters, content and your sending reputation still count. See how to warm up a cold email domain.
Clean lists, healthy domains.
Fewer bounces
Sending to dead addresses hurts your domain's reputation. Verified-only lists keep bounces low.
No double charge
Finding and verifying are one credit. Emails that fail verification cost nothing.
Ready to send
Verified emails export with the rest of your columns to CSV, or go straight to Quickprosp.
Email verifier vs budget list cleaners.
QuickExtract isn't the cheapest email verifier. If you only need to clean a list you already have, budget verifiers like DeBounce, NeverBounce and Bouncer cost less per check. If you need B2B emails found and verified, with catch-all addresses resolved instead of left “risky”, QuickExtract does both in one credit.
- You need B2B emails found and verified, not just checked
- Catch-all domains are common in your market
- You want to pay only for valid emails found
- You also want free extraction from Sales Navigator, Google Maps, Product Hunt and websites
- You already have a large list and only need it cleaned
- Price per check matters more than catch-all resolution
- You need real-time form verification or a verification API
What is an email verifier?
A tool that checks whether an email address is real before you send to it. QuickExtract checks format and domain, then the mailbox, then runs a dedicated catch-all check, and drops any address that fails.
How do I verify an email address?
Emails found by the QuickExtract email finder are verified automatically, in real time, before they reach your list. For a list you already have, use the standalone verifier with the same credits.
Can I use it as a bulk email verifier?
Yes. Run a whole list you already have through the standalone verifier. Every address gets the same three passes, invalid ones are dropped, and it uses the same credits as the finder: $29 for 2,000.
Is QuickExtract the cheapest email verifier?
No. For cleaning an existing list, budget verifiers such as DeBounce, NeverBounce and Bouncer charge less per check. QuickExtract is built for finding and verifying B2B emails together, with catch-all verification included, at $29 for 2,000.
What happens with catch-all addresses?
They get a third, dedicated catch-all verification at no extra cost. Confirmed addresses are kept. The rest are dropped, and on the email finder they cost nothing.
Does verification guarantee delivery?
No. It confirms the address and mailbox at the moment you ask. Spam filters, your content and your sending reputation still affect delivery, and mailboxes can close later when people change jobs.
Do I pay twice to find and verify an email?
No. Finding and three-pass verification use one credit, and only when a valid email is found.
Do the results come from a database?
No. QuickExtract has no stored contact database. Every check runs live when you request it, so 100% of the emails you pay for are verified at that moment.
$29 for 2,000 verified emails.
Finder and verifier included. Pay only for valid emails found.