In this way, you can specify optimal operation depending on your mailing list size and computer features. With this effective four-step verification, Atomic Mail Verifier allows you to weed out the maximum number of nonexistent addresses, as well as prevent the removal of those that are truly valid.

Mostly the rule for such status is that this server accepts all emails sent to it even if the email on the server is non existent and overall we recommend to avoid such emails in your campaigns unless absolutely necessary, because there is not way to validate those For instance, we validated in the log you can see the app generated a random address with the same domain, in this case (so it should not exist), but the server replied that it exists, thus we can not state that exists for sure. Leopathu Bulk Email Verifier Free Bulk Email Verifier Online Bulk Email Validation Tool Free1. If a server responds that a generated email is valid, a defined email you aimed to validate will be marked as 'email domain has a catch all function enabled'.

Catch all status check: regrading a catch-all status, on the fourth step of verification the software generates a random email with the same domain.

This step is only possible if you have port 25 open.

Email address check: the program searches for a domain's SMTP server, and checks for user existence.

If a domain does not exist, the electronic address with that domain also does not exist

Domain check: all domains are checked for existence.

Syntax check: email addresses are checked for correspondence to the RFC registration.

Free bulk email verifier software