By applying for and setting up Informatics user ID you will automatically receive an e-mail mailbox. This is regardless of your RCC mailbox or Stine message system!
You can access your Informatics mailbox via IMAPS, POP3S oder Unix mail clients like "pine" .
You habe also access via webmail: https://webmail.informatik.uni-hamburg.de/. Here you can configure various filters and redirects.
Members of the University of Hamburgs can get qualified certificates from the DFN (see UHH PCA Zertificates). Proposed (user or server) certificates can (only) be approved for the Department of Informatics by A. Heymann and R. Zierke as accredited persons of the "subscriber service" UHH CA RA.