Mail Relay

experts pls propose a mail relay sort of solution/Mail Hygiene System for MS Exchange 2013 sits in DMZ to receive all incoming mails and do the filtering such  FOR malware, APTs and Spam and then relay to the CAS Servers in a round robin fashion.
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FOXActive Directory/Exchange EngineerCommented:[google_na]email_security_search&grp=competitors_general_business_exact&ad=70489200261&kw=ironport&gclid=CO-wpOOO6cgCFYIYHwodfbMLpA

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Hi there,

I am using spamtitan and it works great.
StuartTechnical Architect - CloudCommented:
Cisco ironports are very good also there mcafee iron mail solutions
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