central filtering of emails

This describes the filters of the University Computing Center. The Faculty of Engineering and the Department of Computer Science operate their own systems:

Email filtering by the University Computing Center

When transfering emails via the systems of the University Computing Center different safety restrictions and several content checks will be applied.

rules and guidelines
rules and restrictions regarding mail transmission and operation of mailboxes
DFN-mail support
spam and virus filtering at the DFN
virus filtering
the content of every email is checked for known viruses
incoming emails will be accepted with delay under certain conditions
spam recognition
emails arriving from external sources will undergo checks of trustworthiness and content. Emails recognized as likely being undesired ("rocognized spam") will be marked.
The central recognition of spam filters does not perform automatic filtering out of regognized spam. This is possible via an incoming mail filter by the owner of tha mailbox.