[rules-users] Mail System Error - Returned Mail

[Returned mail]

The original message was received at Fri, 7 Sep 2012 16:50:17 +0530 from lists.jboss.org [141.14.148.231]

----- The following addresses had permanent fatal errors -----
rules-users at lists.jboss.org

----- Transcript of the session follows -----
... while talking to 131.246.23.202:
550 5.1.2 <rules-users at lists.jboss.org>... Host unknown (Name server: host not found)

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