Active Directory, AS/400, Business Intelligence, Career Development, CIO, Cisco, Database, DataCenter, Desktops, Development, Exchange 2003, Exchange 2007, Hardware, iSeries, IT Strategy, Linux, Lotus Domino, Lotus Notes, Management, Marketing Technology, Microsoft Excel, Microsoft Exchange, Microsoft Windows, Mobile, Networking, Oracle, OS, Outlook, Outlook 2003, Outlook 2007, Routers, RPG, RPGLE, SAP, Security, Servers, SQL, SQL Server, SQL Server 2005, Storage, Tech support, Virtualization, Visual Basic, VoIP, VPN, Windows 7, Windows Server, Windows Server 2003, Windows Server 2008, Windows XP VIEW ALL TAGS
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.
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.