Important: Exchange must be in Cached Mode for the Junk Mail filter to function.
Sometimes an email you expect to receive doesn't arrive. If this happens to you, follow the following steps:
You now have some control over how your mail is filtered. Office 365 will put suspicious messages into a Junk Mail folder for you to examine. For more information about how your junk mail filter works, visit the links below:
Contact the sender and get the email sent to your email address again.
Send an email to email@example.com detailing your issue with as much information as possible. You should include:
Including the above information will help User Support Services troubleshoot your issue and get you a solution as quickly as possible.