Sogo | Tuhh
It seems you're asking about (Hamburg University of Technology) and SOGo (likely the groupware server), possibly in the context of a "useful paper" — such as a documentation, a setup guide, or an academic paper.
It seems you're asking about (Hamburg University of Technology) and SOGo (likely the groupware server), possibly in the context of a "useful paper" — such as a documentation, a setup guide, or an academic paper.