Access to the requested URL was blocked

While trying to access the URL:
/component/mailto/?tmpl=component&link=7a4584b7e9136a867198c2c159d652ea36a1ecef
The content is blocked for the following condition:
(none)
Additional information:
(none)
This incident was logged with the following log identifier:
ZgX0gQj17NtdsP91t2hzVwAAABo
IT-Administrator:
edv@vulkaneifel.de