Reporting Junk Email, Phishing and Blocking Senders in Exchange Online
If you receive email that you think is spam or phishing messages you can report them so that any further email from that sender are removed and they are reported so that they are investigated and blocked for everyone.
In Outlook
To report a message in Outlook:
Click on the message to select it
Click on the Report Message button on the Ribbon
Choose an action from the drop down menu:
Junk - for any spam or junk email that should not have made it through to your inbox choose this option
Phishing - if you think the message is trying to lure you into clicking on a link or opening an attachment choose this option
Not Junk - if you notice a message in your Junk folder that is a legitimate message, you can indicate that it is not junk so that it is not blocked in future.
In Webmail
To report a message in Webmail:
Right click on the message and select Report
Choose Report Junk or Report Phishing as appropriate
Other Information
For information on managing junk mail and blocked senders generally please see this page - Junk Email Filter