Short description of RapidSMTP Free Edition 2.2.1: Fastest newsletter software with Geolocation. RapidSMTP is a high-performance email marketing software for personalized e-mails. Detailed statistics on opened emails, forwarded e-mails, clicked links and the exact geographical location of your customers. Send personalized e-mails by merging database fields. Send geotargeted e-mails to countries, regions or even cities. Bypass restrictions for outgoing e-mail set by your ISP.