Block IP ranges from connecting to Exchange servers smtp 2005

9860 pts.
Tags:
Attacker IP blocking
Exchange 2005
Exchange security
IP blocking
IP range
Microsoft Exchange
Security in 2010
SMTP
Running Exchange 2005 is there a way to block specific IP ranges from our smtp server? Spammers keep trying to send spam and brute force passwords locking users out.

Software/Hardware used:
Exchange 2005

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Check out this article on <a href=”http://vworker.com/CS/blogs/real_life_it/archive/2006/12/18/525.aspx”>Dealing with an email denial of service attack </a>

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  • Technochic
    FYI - there is no Exchange 2005. There is Exchange 2000. 2003, 2007 and 2010. Please specify the correct version. Thanks.
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