This is mail-in-a-box

Webmail Contacts, calandar & files
https://box.bokedal.org/mail https://box.bokedal.org/cloud

Your username is your whole email address.

Client configuration

Automatic (iOS & OS X only) : Follow this link

Manual configuration

Option Value
Protocol IMAP
Mail server (imap & smtp) box.bokedal.org
IMAP port 993
SMTP port 465
Security SSL or TLS
Username Your whole email address
Password Your email password