Access to the requested URL was blocked

While trying to access the URL:
/component/mailto/?tmpl=component&link=e5c5a1d5566c6dd3b1227171880a11f553ebb884
The content is blocked for the following condition:
(none)
Additional information:
(none)
This incident was logged with the following log identifier:
ZgYjoWCUzmvWK5wpGnXQ-gAAAB0
IT-Administrator:
edv@vulkaneifel.de