The welcome portlet has a couple of mail archive links that should be using the redirects hosted at geronimo.apache.org instead of referring to pages hosted outside of apache control. Otherwise the link targets can't be changed without patching the console. I attached a patch to:
http://issues.apache.org/jira/browse/GERONIMO-2064 This may be important (and low risk) enough to squeeze into 1.1. Paul