This is accomplished by matching the postal database Latest Mailing Database against a third party, permission based database of postal and email address information. Best Practices - Email Appending is not a prospecting tool. The DMA (Direct Marketing Association) and its interactive arm AIM (Association of Interactive Marketing) have guidelines in place that dictate that email appending only be used to append email addresses to your existing opt-in postal record house file.
The Process - Your opt-in postal file is securely transferred to an email appending provider, who will do an initial gross email address match of your Latest Mailing Database file against its opt-in database of postal and email address records. Your appending provider will then send Latest Mailing Database these matches a permission-based message prepared by you.
All bounces and opt-out requests will be removed from Latest Mailing Database the list. At that point a valid permission-based email address file of your customers will be delivered back to you. Cost - Less than the price of a postal Latest Mailing Database stamp! IN SUMMARY, The first step of any successful email marketing effort is to build a permission-based email address list of your customers.