The company changed its name to SMTP, Inc. in November 2010. SMTP filed an initial public offering (IPO) and began trading on the OTC Bulletin Board as (OTCBB: SMTP) on May 2, 2011, and then on the Nasdaq Capital Market on January 31, 2014.Gregory T. Huang. “Semyon Dukach Takes SMTP Public". Xconomy Boston. May 2, 2011.
