LOS ANGELES, CA–(Marketwire – April 18, 2011) – Stamps.com® ( NASDAQ : STMP ), the leading provider of USPS® postage online and shipping software to approximately 400,000 customers, is pleased to report that its PC Postage software is designed to simultaneously reflect and calculate the new USPS rates effective April 17, 2011. This will allow Stamps.com mailing and shipping customers to conduct …
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