General Configuration in mail clients and mobile devices
It is possible to use the service just as ordinary email account and
configure mail client to retrieve and send messages through OX server.
Only encrypted connections are suppoted by Open-Xchange servers, so please use the following settings:
Username: your email address
Password: password for this email account.
Incoming/outgoing servers name: oxmail.registrar-servers.com
Incoming server type: IMAP or POP3
Outgoing server (SMTP): 465 port for SSL, 25 or 26 for TLS.
Incoming server (IMAP): 993 port for SSL, 143 for TLS.
Incoming server (POP3): 995 port for SSL 110 for TLS.
Outgoing server authentication should be switched on, SPA(secure
password authentication) must be disabled Guides for email clients setup:
Open-Xchange User Guide can be found here