Any idea how Certificates are used in a hosted email solution?

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i wondering if of have idea on how certificates used when microsoft provides company hosted exchange email solution.  has private / public keys when offer encrypted email solution.  doesn't sound users exchange certs it's somehow done them using appliances, don't it.

they using proprietary, 3rd party solution voltage security.
paul adare cto identit inc. ilm mvp


Windows Server  >  Security



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