Step 1: Open Outlook and select File.
Step 2: Check Manual setup or additional server types and click Next.
Step 3: Select IMAP and click Next

Note: You cannot edit an existing email account to switch its account type from POP3 to IMAP or vice versa. To change the account type, you must add a new account of the desired type (POP3 or IMAP).

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Account Type: Select IMAP
Incoming: secure.emailsrvr.com or secure.oryon.net
Outgoing: secure.emailsrvr.com or secure.oryon.net

Select IMAP after the Incoming mail server name.
User Name: Enter in the full email address
Password: Enter in the password for that specific email address
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Note: Use your domain name in domain.com field

Step 4: Click More Settings.
Step 5: Select Outgoing Server and check My outgoing server (SMTP) requires authentication.
Step 6: Select Outgoing Server
Step 7: Select Advanced.

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Enter the below details
For IMAP use 143 - SSL Disabled ( If SSL enabled Use 993)
Outgoing SMTP port - 25 or 587 or 26 ( If SSL enabled use 465)
For Root folder path enter INBOX with uppercase letters.
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Step 8: Click “Next” and then click “Finish” to complete the email account setup.