Open Outlook and select File > Add Account.
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Enter your name, email address and password than click on next.
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On Next Screen Select POP or IMAP option
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Username: your email ID
Password: Use the email account’s password.
Incoming Server: mail.yourdomain.com
IMAP Port: 993 POP3 Port: 995
Outgoing Server: mail.yourdomain.com
SMTP Port: 465
Select next and finish.