Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
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|Exchange 2007 error after database repair #550 5.2.0 STOREDRV.Deliver error||5||111|
|NTP time source for DC||3||90|
|What are the recommended security measures to put in place?||19||90|
|Exchange 2010 - SBS 2011 - Public calenders||4||24|
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