If you do not want to connect via Exchange and you prefer to manage email via IMAP, you can connect your BlueUtopia email (powered by Amazon WorkMail) to your IMAP device with these configuration settings:
INCOMING
Protocol: IMAPS
Port: 993
Secure connection: Required; SSL
Incoming username: Your full email address
Incoming password: Your password
Incoming server: imap.mail.us-west-2.awsapps.com
OUTGOING
Protocol: SMTPS (SMTP, encrypted with TLS)
Port: 465
Secure connection: Required; SSL (STARTTLS not supported)
Outgoing username: Email address associated with your Amazon WorkMail account
Outgoing password: Your password
Outgoing server: smtp.mail.us-west-2.awsapps.com