Switzerland-based Skyguide is the country's official provider of air traffic control for civil and military aircraft. In 2003, the company deployed Microsoft Exchange Server 2003 with Service Pack 1 as its messaging system and used Microsoft Intelligent Message Filter (IMF) to manage spam. But with infrequent updates to the IMF data file, managing spam became a problem. After testing a third-party anti-spam solution that offered little relief, the company deployed Exchange Server 2003 with Service Pack 2, with a fully-integrated IMF and new Sender ID features. Today, Skyguide traps 98 percent of spam, up from 67 percent before. Using the new solution, the IT staff has reclaimed nearly a third of administrators' time that was previously spent reviewing quarantined messages.
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