Access to the requested URL was blocked

While trying to access the URL:
/component/mailto/?tmpl=component&link=a0ffce73f2e8ebc383debefffe67cc6a0b445765
The content is blocked for the following condition:
(none)
Additional information:
(none)
This incident was logged with the following log identifier:
ZgWfF9n2PpNNLX9bYrIAbgAAABk
IT-Administrator:
edv@vulkaneifel.de