Thanks for your help seems to be working great. -- Jeff, IT Administrator
XWALLFilter bundle protects your users against spam and malware with UNLIMITED user licensing and no monthly per-user fees
September 1, 2016
Microsoft has announced that on November 1, 2016 it will stop generating updates for the SmartScreen spam filters in all Exchange and Outlook versions. See the TechNet Article: Deprecating support for SmartScreen in Outlook and Exchange
Microsoft suggests in the above article that customers use their EOP cloud service with monthly per-user fees to protect against spam for your onsite Exchange and Outlook users. Our XWall/XWALLFilter Bundle solution protects your Exchange and Outlook users against spam and malware and includes UNLIMITED users with no monthly per-user license fees.