Access to the requested URL was blocked

While trying to access the URL:
/component/mailto/?tmpl=component&link=efde74a7de4fd52725172707511df0f66d899f1b
The content is blocked for the following condition:
(none)
Additional information:
(none)
This incident was logged with the following log identifier:
ZgWvUj2KQXlxB4hROeLRFQAAAJQ
IT-Administrator:
edv@vulkaneifel.de