Access to the requested URL was blocked

While trying to access the URL:
/component/mailto/?tmpl=component&link=0a0bb88e5efdd4f8bbc600833ee11934653e78fb
The content is blocked for the following condition:
(none)
Additional information:
(none)
This incident was logged with the following log identifier:
ZgWkn9uwOXUhW_SR1OmXfwAAACc
IT-Administrator:
edv@vulkaneifel.de