exo spam filter links

mail/exchange_online.markdown

@@ -29,7 +29,9 @@ If you encounter any issues during/after the migration, check ID's [FAQ](https:/
 The new **Exchange webmail** URL is: [https://outlook.office.com](https://outlook.office.com)
 
 
-Spam Filter
------------
+Spam Filter (Exchange Online Protection)
+----------------------------------------
 
-The new address for the spam filter (Exchange Online Protection) is: [https://security.microsoft.com/quarantine](https://security.microsoft.com/quarantine)
+* [ETH ID documentation](https://unlimited.ethz.ch/spaces/itkb/pages/248222163/Cloud-Mailfilter+EOP)
+    - Quarantine: [https://security.microsoft.com/quarantine](https://security.microsoft.com/quarantine)
+    - [Personal spam settings](https://outlook.office.com/mail/options/mail/junkEmail)