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One of our users is getting a lot of Undeliverable messages from Exchange 2007. &nbsp;I looked in the message tracking logs and there are a lot of e-mails going out from his e-mail address and the IP that the connection is coming from is China.
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One of our users is getting a lot of Undeliverable messages from Exchange 2007.  I looked in the message tracking logs and there are a lot of e-mails going out from his e-mail address and the IP that the connection is coming from is China.

Exchange 2007 Sending out spam from China

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.