The spam filter is rather more complicated than the connection filter:
Spam filters
Again, you get a default spam filter with Office 365. As with the malware filter, you can create a new one, or edit the default that you already have.
The default options include:
- Move both ordinary spam and high confidence spam to the Junk Email folder.
- Mark bulk email as spam, with a threshold of 7 (1 allows the most bulk email to be flagged as spam, and 9 allows the most email through).
- The quarantine time period is 15 days.
- No block list defined (a block list is similar to the IP block list in connection filters, but uses specific senders or ...
