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Email Management: Configure SMTP

Access this page from Configure > Email Management > SMTP.

Before You Begin

Procedure

  1. Select Configure > Email Management > SMTP.
  2. Based on your selections, configuration options will vary. See the tables below.

Table 16: Configure Quarantine Malicious Messages

Setting

Guideline

Action to take

Quarantine malicious messages—When you select to quarantine malicious email messages, in place of the original email, intended recipients receive a custom email you configure with information on the quarantining. Both the original email and the attachment are stored in the cloud in an encrypted format.

Release option

  • Recipients can release email—This option provides recipients with a link to the Juniper ATP Cloud quarantine portal where they can preview the email. From the portal, recipients can select to Release the email or Delete it. Either action causes a message to be sent to the administrator.

    Note: If a quarantined email has multiple recipients, any individual recipient can release the email from the portal and all recipients will receive it. Similarly, if one recipient deletes the email from the portal, it is deleted for all recipients.

  • Recipients can request administrator to release email—This option also provides recipients with a link to the Juniper ATP Cloud quarantine portal where they can preview the email. From the portal, recipients can select to Request to Release the email or Delete it. Either choice causes a message to be sent to the administrator. When the administrator takes action on the email, a message is sent to the recipient.

Note: When a quarantined email is released, it is allowed to pass through the SRX series with a header message that prevents it from being quarantined again, but the attachment is placed inside a password-protected zip file with a text file containing the password that the recipient must use to open the file.

Email Notifications for End Users

Learn More Link URL

If you have a corporate web site with further information for users, enter that URL here. If you leave this field blank, this option will not appear to the end user.

Subject

When an email is quarantined, the recipient receives a custom message informing them of their quarantined email. For this custom message, enter a subject indicating a suspicious email sent to them has been quarantined, such as "Malware Detected."

Custom Message

Enter information to help email recipients understand what they should do next.

Custom Link Text

Enter custom text for the Juniper ATP Cloud quarantine portal link where recipients can preview quarantined emails and take action on them.

Buttons

  • Click Preview to view the custom message that will be sent to a recipient when an email is quarantined. Then click Save.

  • Click Reset to clear all fields without saving.

  • Click Save if you are satisfied with the configuration.

Table 17: Configure Deliver with Warning Headers

Setting

Guideline

Action to take

Deliver malicious messages with warning headers added—When you select to deliver a suspicious email with warning headers, you can add headers to emails that most mail servers will recognize and filter into spam or junk folders.

SMTP Headers

  • X-Distribution (Bulk, Spam)—Use this header for messages that are sent to a large distribution list and are most likely spam. You can also select “Do not add this header.”

  • X-Spam-Flag—This is a common header added to incoming emails that are possibly spam and should be redirected into spam or junk folders. You can also select “Do not add this header.”

  • Subject Prefix—You can prepend headers with information for the recipient, such as "Possible Spam."

Buttons

  • Click Reset to clear all fields without saving.

  • Click OK if you are satisfied with the configuration.

Table 18: Permit

Setting

Guideline

Action to take

Permit—You can select to permit the message and no further configuration is required.

Procedure

Administrators Who Receive Notifications

To send notifications to administrators when emails are quarantined or released from quarantine:

  1. Click the + sign to add an administrator.
  2. Enter the administrator's email address.
  3. Select the Quarantine Notification check box to receive those notifications.
  4. Select the Release Notifications check box to receive those notifications.
  5. Click OK.

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