Englewood, Colorado-based MX Logic said Monday that the firm has upgraded its hosted message archiving service. According to the firm, its updated MX Logic Message Archiving service updates the user interface, and improves search capabilities of its email archiving service. MX Logic provides unlimited storage to businesses who use its products for storing their old email messages. the firm said the new Message Archiving service starts at $2.00 per user per month, with one year of unlimited storage and live telephone and email support. MX Logic provides managed email and Web security services to enterprises.