Messaging Server and Denial of Service Attacks

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How can I prevent Denial of Service (DoS) attacks in Messaging Server?

The following article describes some of the ways you can prevent Denial of Service (DoS) attacks and similar SPAM abuses on Sun Java System Messaging Server. Use this article to learn more about common techniques for preventing DoS attacks to the SMTP server and preventing abuse from internal users; and mitigating abuse from clients who use DSL connections and who send lots of email using "email bombers" directly to the platform.

http://www.sun.com/bigadmin/features/hub_articles/preventingdosattacks.jsp