Send a test email and see if it goes through to find out if it is a valid email address. Continue to research and contact companies until you have a list that meets your requirements.

A business owner email list is a marketing list that contains the email addresses of relevant decision-makers. If you're involved in your company's sales and marketing efforts, being able to ...

If your company hosts its email system using Microsoft Exchange, you have the benefit of a centrally-managed address book called the Global Address List, or GAL. Maintained by your IT depart ...