Exchange Online – Preventing Domain Spoofing

In many business environments domain spoofing can be a real threat: this is a common form of phishing and usually occurs when an attacker appears to use a company’s domain to impersonate a company or one of its employees. Read More …

Sophos UTM High Availability (HA) Cluster in Hyper-V

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How to block Zip Files in Exchange 2007, Exchange 2010 or SBS 2011

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