You can customize the X-header text using the Add this X-header text input box. Using this text as an identifier, you can optionally create rules to filter or route the messages as needed. This is the default action for both confidence threshold levels.Īdd X-header Sends the message to the specified recipients but adds X-header text to the message header that identifies it as spam. Move message to Junk Email folder Sends the message to the Junk Email folder of the specified recipients. The default value is 15 days which is the maximum value. (It will automatically be deleted after the time elapses. If you select this option, in the Retain spam for (days) input box, specify the number of days during which the spam message will be quarantined. Quarantine message Sends the message to quarantine instead of to the intended recipients. Possible values are:ĭelete message Deletes the entire message, including all attachments.
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The settings are the same in either case, but the rest of this procedure describes how to access these settings when editing a policy.Ĭlick the Actions menu item in order to select the action to take on a message for each confidence threshold level ( Spam which is considered suspected spam or High confidence spam which is considered certain spam). Note: When creating a new policy, all configuration settings appear on a single screen, whereas when editing a policy you must navigate through different screens. You can optionally specify a more detailed description as well. You can also edit existing custom policies by double-clicking them.įor custom policies only, specify a name for this policy. In the Content filter window, do one of the following:ĭouble-click the default policy in order to edit this company-wide policy.Ĭlick Add to create a new custom content-filter policy that can be applied to users, groups, and domains in your organization. If you are an admin of a different Microsoft 365 plan, you access content filter settings directly through the Exchange admin center. Under Spam filtering click Edit or create spam content filter policies. In Microsoft 365, click Admin > Service settings > Email, calendar, and contacts. Content-filter policy settings are applied to inbound messages only. Additionally, you can enable advanced spam filtering options if you want to pursue an aggressive approach to content filtering. Custom policies always take precedence over the default policy, but you can change the priority (running order) of your custom policies.Ĭontent filter settings include selecting the action to take on messages identified as spam, and choosing whether to filter messages written in specific languages, or sent from specific countries or regions. You can also create custom content filter policies and apply them to specified users, groups, or domains in your organization.
You can edit the default content-filter policy to configure your company-wide content filter settings. You customize anti-spam settings by managing content filter policies. How do I customize the anti-spam settings for my organization
If the message isn’t delivered, the sender should receive a message, called a delivery status notification (DSN), telling them that the message couldn’t be delivered. On outbound messages, if the SCL indicates that a message is spam, it is either routed through the high risk delivery pool, or it is bounced and not delivered. All content-filtered messages are relayed to the user’s Junk Email folder by default. Depending on the SCL, an inbound message may be relayed directly to the user’s Junk Email folder. Things to know about bulk mailings and spam filteringĮvery message, inbound and outbound, is assigned a spam confidence level (SCL) based on the likelihood that the message is spam. How can I let users manage their spam-quarantined messages? Individual users can also manage the spam settings for their own mailbox. The EOP service applies multi-layered filters and scanning engines to help protect your organization from email-borne threats.Īlthough no admin setup or management is required for Office 365 Small Business, you can customize anti-spam settings for your organization. Spam filtering and virus protection are automatically enabled on all inbound and outbound email messages by Microsoft Exchange Online Protection (EOP), the anti-spam and anti-malware service included with Microsoft 365. Office 365 operated by 21Vianet - Small Business Admin More.
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