Authentication System FAQ
Authentication System Utilization
Digital certificate is required for using S/MIME. Currently, you can obtain the S/MIME certificate for KUMail (@kyoto-u.ac.jp) and for KUMOI (@st.kyoto-u.ac.jp) free of charge from the UPKI (University Public Key Infrastructure) 's client certificate issue service in the NII (National Institute of Informatics).
How to obtain a UPKI's client certificate for S/MIME, see:
How to install a UPKI's client certificate for S/MIME in your mail clients, see:
NII doesn't issue UPKI's client certificates for the email address that the departments manage. When you need, please buy it from digital certificate providers.