
Using Exchange Hosted Services
Spam filtering is enhanced by or is also available as a service from Microsoft Exchange Hosted Services. Exchange Hosted Services is a set of four distinct hosted services:
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Hosted Filtering, which helps organizations protect themselves from e-mail-borne malware
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Hosted Archive, which helps them satisfy retention requirements for compliance
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Hosted Encryption, which helps them encrypt data to preserve confidentiality
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Hosted Continuity, which helps them preserve access to e-mail during and after emergency situations
These services integrate with any on-premise Exchange servers that are managed in-house or Hosted Exchange e-mail services that are offered through service providers. For more information about Exchange Hosted Services, see Microsoft Exchange Hosted Services.