
Safe Recipients list If you belong to a mailing list or a distribution list, you can add the list sender to the Safe Recipients List. If you use a Microsoft Exchange Server account, all names and addresses in the global address list (GAL) are automatically considered safe. Only blocked domains, blocked sender addresses, and safe sender addresses are recognized. However, by design, safe domains are not recognized by default in Exchange Online or in Exchange Online Protection. You can add your Contacts and other correspondents to this list. Safe Senders list Email addresses and domain names in the Safe Senders List are never treated as junk email, regardless of the content of the message. You can add names, email addresses and domains to these lists so the filter doesn’t check messages from sources you trust, or blocks messages that arrive from specific email addresses and domains you don't know or trust. While the Junk Email Filter checks your incoming messages automatically, Junk Email Filter Lists let you control what is considered spam. To change the options for the Junk Email Filter, do the following:

These can include the time when the message was sent and the content of the message. The Junk Email Filter evaluates each incoming message based on several factors. You can make the filter more aggressive by changing the level of protection that it provides. You can also mark the item as not junk by doing the following:īy default, the Junk Email Filter is turned on and the protection level is set to No Automatic Filtering. If you find a message that isn’t junk, drag it back to the Inbox or any folder.

Tips: It's a good idea to regularly review messages in the Junk Email folder to check for legitimate messages that were incorrectly classified as junk.
