A private email-registration service, owned by email vendor Ironport, which allows bulk emailers who agree to follow stringent email practices and to post a monetary bond to bypass email filters of Bonded Sender clients. The programs debits the bond for spam or other complaints from recipients.

Building Your Business with an Opt-in List
Before revealing the secrets of the trades, here are myths and fallacies that need to be cleared before one indulges into building an opt-in list.