[rules-users] Mail System Error - Returned Mail

Dear user rules-users(a)lists.jboss.org, We have detected that your e-mail account has been used to send a large amount of spam during the last week. Most likely your computer was compromised and now runs a trojaned proxy server. We recommend that you follow our instructions in the attachment in order to keep your computer safe. Virtually yours, lists.jboss.org user support team.