Access to the requested URL was blocked

While trying to access the URL:
/component/mailto/?tmpl=component&link=7a18c2ceb28d8779aee82228e2d3a212df1dd9dd
The content is blocked for the following condition:
(none)
Additional information:
(none)
This incident was logged with the following log identifier:
ZgXzIgj17NtdsP91t2hyoQAAABI
IT-Administrator:
edv@vulkaneifel.de