roundcubemail-0.2-0.alpha.fc9.noarch should require php-xml. Without it I get the following error when reading any message. PHP Warning: include_once(DOMDocument.php) [<a href='function.include-once'>function.include-once</a>]: failed to open stream: No such file or directory in /usr/share/roundcubemail/program/include/iniset.php on line 76