Access to the requested URL was blocked

While trying to access the URL:
/component/mailto/?tmpl=component&link=58748db0f76a391842ed819815c11ed977a816e7
The content is blocked for the following condition:
(none)
Additional information:
(none)
This incident was logged with the following log identifier:
ZgVJXTvCXxjCUz9sxr_QtwAAAAg
IT-Administrator:
edv@vulkaneifel.de