Access to the requested URL was blocked

While trying to access the URL:
/component/mailto/?tmpl=component&link=cbda7de5eb9fd71efb8853c9eb652e68f7cd0090
The content is blocked for the following condition:
(none)
Additional information:
(none)
This incident was logged with the following log identifier:
ZgWEgG7CXQIUC6oZBlrHBwAAAHk
IT-Administrator:
edv@vulkaneifel.de