Email Verifier
Check an email address for valid syntax, a working mail server, and disposable or role-based risks.
Loading Smart Logic...
Quick Tip
Enter the email address you want to check.
About This Tool
Why use Email Verifier?
Check an email address before you send to it. The address is validated against the syntax rules, then the domain's MX records are looked up over DNS to confirm it can actually receive mail — with a fallback to the A record, because RFC 5321 says a domain with no MX still accepts mail at its address. The local part is also checked against known disposable domains and common role prefixes such as info, sales, support and noreply.
Be clear about the ceiling, because plenty of services are not: no server-side check can confirm that a specific mailbox exists. The only way to know is to send a message and see whether it bounces. What a check like this catches is the large majority of bad addresses for free — typos in the domain, addresses at domains that receive no mail at all, throwaway signups and role accounts that tend to hurt engagement rates. A result of valid means the domain will accept mail, not that the person is there.
Key Benefits
Real DNS lookup
MX records are queried live, with an A record fallback per RFC 5321, so the answer reflects the domain's actual mail configuration.
Disposable domains flagged
Known throwaway providers such as Mailinator and Guerrilla Mail are identified, since those signups rarely become real contacts.
Role accounts identified
Addresses like info@, sales@ and noreply@ are flagged, because they go to a shared inbox and drag engagement rates down.
How to use Email Verifier
- 1
Enter the email address you want to check.
- 2
Verify; the syntax is checked and the domain's MX records are looked up.
- 3
Read the result — valid, risky or invalid — along with the reasons given.
- 4
Treat risky results as worth a second look rather than as automatic removals.
Best use cases
Check an address before adding it to an outreach sequence.
Confirm a domain can receive mail before a first send.
Spot disposable signups in a form submission.
Catch a typo in a domain name before a message bounces.
Email Verifier FAQs
Can it tell me whether the mailbox actually exists?
No, and any tool claiming otherwise is overstating what is possible. Mail servers stopped reliably answering mailbox queries years ago to prevent exactly this kind of probing. The only definitive test is sending a message.
What does a risky result mean?
The domain accepts mail, but something about the address is worth a second look — usually a disposable provider or a role account like info@. Judge it against your list rather than deleting automatically.
Why are role accounts a problem?
They reach a shared inbox rather than a person, so they go unopened, get marked as spam more often, and pull down the engagement rate mailbox providers use to decide where your mail lands.
Is an address marked invalid definitely bad?
It means the syntax is wrong or the domain has no way to receive mail at all. That is as close to certain as a pre-send check gets — a message to it would bounce.
Related Email Tools
More free email tools that work well alongside email verifier.