Jan. 11, 2007 -- SmarterTools, a Phoenix-based software firm, has released the latest version of its full-featured e-mail server, the company announced Thursday.

SmarterMail 4.0. adds shared notes to its existing collaboration features, which include shared contacts, tasks, folder, and calendaring, the company said. It also offers increased virus protection and spam blocking, as well as customizable interface skins, the company said.

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