james-listmanager.xml file: invalid XML file format. It is considered invalid to have two root rags <mailet ...> in the same xml document. Usually multiple tags like this would be enclosed in a single "collection" tag such as <mailets>. This may cause problems for xml parsers that attempt to validate the xml document. It appears that James 3.0-M1 starts ok with this file format so this is not a high priority fixup.