Short description of Atomic E-Mail Verifier 4.11: If you manage many email marketing lists, you know that it can become a full-time job just grooming the list for bad email addresses. While many email blasting products offer you the ability to check the validity of your email list before sending, few do a great of it. Atomic Mail Verifier specializes in just one thing: ensuring your email addresses are accurate BEFORE you execute your email blast.