https://www.navy-net.co.uk/rrpedia/Valuable_Solutions_For_Generating_Use_Of_E-mail_To_Market_Place_Put…_Advice_No._32_Of_717
https://www.navy-net.co.uk/rrpedia/Valuable_Solutions_For_Generating_Use_Of_E-mail_To_Market_Place_Put..._Advice_No._32_Of_717