This message appears when "From" in an e-mail is not your e-mail address. Clear "From" fields, click "From" on the left and choose your e-mail address…

If you use other e-mail software or POP3 retrieving function in other free e-mail services (sometimes you are not aware of it), e-mails in the inbox…

This problem may be solved by updating your browser to the latest version, or using other browsers. The system requirements of KUMOI depends on…

This error occurs when opening PDF files attached to e-mails on OWA of KUMOI. We disable the PDF preview function (WebReady document preview service)…

If you access KUMOI just after you have activated your ECS-ID, the error "X-OWA-Error: Microsoft.Exchange.Data.Storage.UserHasNoMailboxException" or…

If you cannot log in from https://mail.st.kyoto-u.ac.jp/, you are asked to confirm whether you can log in to https://ecs.iimc.kyoto-u.ac.jp/. If you…

This issue is reported since August 2014. - Cannot connect to KUMOI with mail app in Mac OS X - Become unavailable to connect to KUMOI with mail app…

An error message is displayed in the white screen when you log in to KUMOI by Internet Explorer. The problem may be solved by the following methods. 1…

In KUMOI, URLs for protocols other than those specified as safe (http, https, mailto, ftp, etc) are regarded as unsafe and replaced with . You cannot…