There is a JBoss exploit out in the wild. See http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-0738 and https://access.redhat.com/kb/docs/DOC-30741 for details.
Postfix is our favorite mail server. We find it's easy to configure and performs really well. When asked at a recent conference talk, Eric Allman the creator of Sendmail, said he would use Postfix if starting today. Many people ask us if there is an easier way to setup and manage email address and aliases,… Continue reading Setup mail hosting on Debian Squeeze and other distros using postfixadmin