http://itknowledgeexchange.techtarget.com/itanswers Tue, 18 Jun 2013 20:40:54 +0000 en-US hourly 1 http://itknowledgeexchange.techtarget.com/itanswers/blocking-im-clients-from-network/ http://itknowledgeexchange.techtarget.com/itanswers/blocking-im-clients-from-network/#comments Tue, 17 May 2011 18:51:24 +0000 TeachMeIT How can I prevent all instant messaging clients on my network while still allowing our proprietary im/email system to function? We are using a sonicwall and barracuda web filter 300.

]]> http://itknowledgeexchange.techtarget.com/itanswers/blocking-im-clients-from-network/feed/ 4 http://itknowledgeexchange.techtarget.com/itanswers/scanning-outbound-emails/ http://itknowledgeexchange.techtarget.com/itanswers/scanning-outbound-emails/#comments Tue, 17 Aug 2010 20:27:18 +0000 ITKE We have been compromised and one email account is internally sending out a lot of spam. We shut it down and another machine popped up infected and doing the same thing. How can we scan all out bound emails for spam just like incoming email? We use a barracuda 300 spam firewall.

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