<A target="_blank" href="http://blog.darrenduke.net/darren/ddbz.nsf/dx/if-you-use-lotus-protector-for-mail-security-and-use-reverse-dns-checks-do-this-when-you-upgrade-to-2.8.htm">Darren Duke says if you use LPMS and Reverse DNS checks, </A>then you need to add this step when you upgrade to 2.8.