Email client settings:-

IMAP/SMTP username: <user@domain>
Incoming IMAP server: mail.jellinek.com
IMAP port: 993
IMAP Encryption protocol: SSL/TLS

Outgoing SMTP server: mail.jellinek.com
SMTP port: 587
SMTP Encryption protocol: STARTTLS
Authentication username: <user@domain>

webmail:-

webmail.jellinek.com