I am handling corporate mail server, often sales team sends mails to all clients for new products.

We are using Qmail based mailing list.

For our business it is mandatory to register email addresses using client registration form.

In manual email id registration many a times entered email ids are invalid.

Although mailing list takes care of invalid email ids. I was looking for better alternative for my Back-office team to verify email ids rather sending mails on individual ids.

From one of my friends blog I found about Expert Email Validator.

This tool can be used to validate max 500 email ids at once.

Download Email Validator

Email ID Validator is a post from: LinuxReaders

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