Atomic Mail Verifier is a unique program that checks email addresses for validity.

Unlike other email verification software, our email verifier uses three levels of verification to ensure that you will never lose any valid email address.

After you load your mailing list or paste in email addresses for validation, our bulk email verifier begins to verify the addresses. All addresses are checked in multithread mode to speed up the entire process. Three steps of verification include:

  1. Email address syntax check. The verifer marks invalid addresses such as bill#yahoo.com, kate!@$aol,com, etc.
  2. Availability of the domain of email address. Our email verifier software checks the availability of the domain: i. e., it marks valid such addresses as bill@yahoo.com or kate@hotmail.com, and marks nonexistent domains as invalid.
  3. Existence of email addresses on their mail servers. The email address verifier tries to establish an SMTP connection with the mail server and tests the addresses. Please make sure Port 25 is opened.

To verify each email address in the list, you may complete all of these steps, or only some of them.

For example, if you have a huge mailing list with hundreds of thousands of addresses, then you only need to run the first two steps, because checking each address on its mail server takes time. This type of mailing list verification usually removes one-third of all "bad" addresses.

If your mailing list has several thousand email addresses, then you may complete all the steps of verification. All three steps guarantee the removal of most nonexistent or invalid addresses.

Atomic Email Verifier is fully integrated with other Atomic e-marketing tools. This means you can collect email addresses using our email extractors (like Atomic Email Hunter), transfer gathered emails to AMV to remove obsolete addresses, and then use our bulk emailer, Atomic Mail Sender , to send mass mail. Optionally,, Atomic Subscription Manager can automatically manage your mailing list and track all subscriptions and unsubscriptions.

Atomic Mail Verifier Screenshots

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Atomic Mail Verifier - Verifying email lists

Atomic Mail Verifier - Export wizard

Atomic Mail Verifier - Email list verification in progress

Atomic Mail Verifier - Main Settings

Our clients about Atomic Mail Verifier:

I purchased both Hunter and Verifier yesterday. I am very pleased with both products. They are much better than similar products, for example Fast Email Extractor. Your programmer has obviously been working very hard to get the bugs out of the last few versions. If you google Winston Steward, you'll see that I'm an author of end-user computer books...

Winston Steward

My website http://www.bp-claim.com was build to help people that had be effected by the BP oil spill in 2010. The work has included customer contact with the use of Atomic Mail Sender and Atomic Mail Verifier. Its a very solid piece of software and we have use list of 10,000 people to send emails to. The software can be set to only send 300 emails per hour per domain, this has help us not get in trouble with our hosting company when sending so many emails at one time. It can also rotate between domains when sending out giving the software great speed. We have been very satisfied with the software and we use it weekly for customer contact.

Jacob Thomas