Set Up Your Email Account in Microsoft Outlook
To set up your email account with Microsoft Outlook, go to the File drop-down menu → Account Settings → Other Email. You will be forwarded to fill in your account information:
Username: user@domainname
Password: Use the email account’s password.
Incoming Mail Server: 'server Hostname'
Outgoing Mail Server: : 'server Hostname'
IMAP Port (SSL): 993
SMTP Port (SSL): 465
Please ensure “outgoing server requires authentication†option is checked under advance setting tab.