Create an Email Account?

hello I have been using whm cp for 2 to 4 years but i still dont know how to create an smtp that can be of accurate to office 365 inbox mail . Is there any one that might help in this issue . I use ultra mailer as my sender . If any one can learn me fast our have any link video or anything that can learn me fast to start sending inbox emails that will be great . I know how to create whm cp i know how to get a good server ip and a good domain .com . Regards