Raise visibility to recipients that attachments were removed because of detected malware. Dynamic Delivery Delivers messages immediately, but replaces attachments with placeholders until Safe Attachments scanning is complete. Avoid message delays while protecting recipients from malicious files. For more information, see Quarantine policies. Redirect attachment on detection: Enable redirect and Send the attachment to the following email address : For Block , Monitor , or Replace actions, send messages that contain malware attachments to the specified internal or external email address for analysis and investigation.
The recommendation for Standard and Strict policy settings is to enable redirection. For more information, see Safe Attachments settings. Apply the above selection if malware scanning for attachments times out or error occurs : The action specified by Safe Attachments unknown malware response is taken on messages even when Safe Attachments scanning can't complete. Always select this option if you select Enable redirect. Otherwise, messages might be lost.
Recipient filters : You need to specify the recipient conditions and exceptions that determine who the policy applies to.
You can use these properties for conditions and exceptions:. You can only use a condition or exception once, but the condition or exception can contain multiple values.
Priority : If you create multiple policies, you can specify the order that they're applied. No two policies can have the same priority, and policy processing stops after the first policy is applied. For more information about the order of precedence and how multiple policies are evaluated and applied, see Order and precedence of email protection. The Dynamic Delivery action in Safe Attachments policies seeks to eliminate any email delivery delays that might be caused by Safe Attachments scanning.
The body of the email message is delivered to the recipient with a placeholder for each attachment. The placeholder remains until the attachment is found to be safe, and then the attachment becomes available to open or download. If an attachment is not compatible with the Dynamic Delivery previewer, the recipients will see a placeholder for the attachment until Safe Attachments scanning is complete.
If you're using a mobile device, and PDFs aren't rendering in the Dynamic Delivery previewer on your mobile device, try opening the message in Outlook on the web formerly known as Outlook Web App using your mobile browser. There are scenarios where Dynamic Delivery is unable to replace attachments in messages. These scenarios include:. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info.
Contents Exit focus mode. Please rate your experience Yes No. Any additional feedback? These zones or origin are Internet, intranet, and local. By not preserving the zone information, Windows cannot make appropriate risks assessments. If you enable this policy setting, Windows does not mark file attachments by using their zone information.
If you disable this policy setting, Windows marks file attachments by using their zone information. If you do not configure this policy setting, Windows marks file attachments by using their zone information. Removing the zone information lets users open potentially dangerous file attachments that Windows has blocked users from opening.
If you enable this policy setting, Windows hides the check box and the Unblock button. If you disable this policy setting, Windows shows the check box and the Unblock button. If you do not configure this policy setting, Windows shows the check box and the Unblock button. These policy settings let you configure the list of low, moderate, and high risk file types.
The High list takes precedence over the Moderate and Low risk inclusion lists. Also, an extension is listed in more than one inclusion list. If you enable this policy setting you can create a custom list of low, moderate, and high risk file types. If you disable this policy setting, Windows uses its built in list of file types. If you do not configure this policy setting, Windows uses its built in list of file types.
This policy setting lets you configure the logic that Windows uses to determine the risk for file attachments. Preferring the file handler instructs Windows to use the file handler data over the file type data. For example, it instructs Windows to trust Notepad.
Preferring the file type instructs Windows to use the file type data over the file handler data. For example, trust. Using both the file handler and type data is the most restrictive option. Windows chooses the more restrictive recommendation. This causes users to see more trust prompts than selecting the other options. If you enable this policy setting, you can select the order in which Windows processes risk assessment data.
If you disable this policy, Windows uses its default trust logic which prefers the file handler over the file type. File Type 1 or Handler 2 or Both 3. This policy setting lets you manage the behavior for notifying registered antivirus programs.
If multiple programs are registered, they will all be notified. If you enable this policy, Windows tells the registered antivirus program to scan the file when a user opens a file attachment. If the antivirus program fails, the attachment is blocked from being opened. If you disable this policy, Windows does not call the registered antivirus programs when file attachments are opened. If you do not configure this policy, Windows does not call the registered antivirus programs when file attachments are opened.
When the value is set to Optional 2 , all scanners are called even after one reports a detection. For more information, click the following article number to view the article in the Microsoft Knowledge Base:. The following determine whether you are prevented from opening the file or whether you are warned before you open the file:.
The security settings of the Web content zone that you are downloading the file from. Report issues with undetected suspicious activities or activities that have been incorrectly detected false positives.
Track the results of your submissions. You can view detailed detection information of all the files you have submitted as well as the determination provided by our analysts.
Enter a file hash Sha1, Sha or Md5 format to view the file details including scan results. Specify the file and provide information that will help us to efficiently handle your case.
Specify valid email addresses, separating each with a semicolon. Grant other members of your organization access to submission details. SAID validated. Make high priority submissions only when dealing with active malware or incorrect detections that require immediate attention. Invalid SAID. The specified SAID could not be validated. All submissions are given regular priority.
Problems validating SAID. Could not connect to the validation service. Please try again later. The selected file is too large. Maximum file size is 50 MB.
NOTE: Submit only the specific files you want analyzed. Submitting an installer package or an archive with a large number of files may delay the analysis and cause your submission to be deprioritized.
Was this file found in the Microsoft corporate network? Affected organization. Customer email address. Number of affected devices. Submission priority.
Software Assurance ID. Removal date. What do you believe this file is?
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