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Exchange 2003 with sp2 installed on Windows 2003 with sp1,Intelligent Message Filtering is enabled on virtual SMTP Server,Symantec Mail Security for Microsoft Exchange 5.0.4 is installed with option of SYMANTEC PREMIUM ANTISPAM is installed.
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Exchange 2003 with sp2 installed on Windows 2003 with sp1,Intelligent Message Filtering is enabled on virtual SMTP Server,Symantec Mail Security for Microsoft Exchange 5.0.4 is installed with option of SYMANTEC PREMIUM ANTISPAM is installed.

When SYMANTEC PREMIUM ANTISPAM is enabled on exchange 2003 server while Intelligent Message Filtering is enabled it cause Exchange services to stop running?

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.

Security

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

Various techniques are used to prevent email spam (unsolicited bulk email). No technique is a complete solution to the spam problem, and each has trade-offs between incorrectly rejecting legitimate email (false positives) vs. not rejecting all spam (false negatives) - and the associated costs in time and effort. Anti-spam techniques can be broken into four broad categories: those that require actions by individuals, those that can be automated by email administrators, those that can be automated by email senders and those employed by researchers and law enforcement officials.