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Whitelisting Prilock's
Domain and Email Header Instructions

Prilock uses special text inserted into the email headers to tell systems that the emails are safe and should be not be blocked. In addition, you should whitelist our domain Prilock.com. It is not as difficult as it looks and only takes a few minutes once you log into your Email administration account.

Whitelisting by Domain in Exchange 2013, 2016, or Office 365

Step 1:

Log into your mail server admin portal and open the Admin Centers  dropdown. From there click on the Exchange  tab.

Step 2:

Select mail flow  on the left and then click on the + sign to add your first rule. Select “ Bypass Spam Filtering… ” from the drop-down menu. A new rule  screen will open.

Step 3: Creating the Rule

Whitelisting by Email Header in Exchange 2013, 2016, or Office 365

Whitelisting by headers is the most suitable way to ensure phishing test emails are delivered to your users. We will also make sure that we bypass the Clutter folder in Microsoft's Exchange Online Protection (EOP) mail filter with this rule.

Once your settings are in place, it may take some time for those settings to propagate. We recommend that you wait 1-2 hours and then set up a phishing campaign for yourself or a small group to test out your new whitelisting rule.

SECTION 1: Bypass Clutter & Spam Filtering by Email Header (Exchange 2013, 2016, and O365)

Step 1:

Go to Admin -> Admin Centers -> Exchange -> Mail Flow 

Step 2:

Click the + button and select “ Bypass Spam Filtering… ” from the drop-down menu.

Step 3: Creating the Rule

How to set the message header settings:

Hit Save. Once you have completed this setup please allow time for the new rule to propagate, and then set up a test phishing campaign for yourself or a small group, to test out your new whitelisting rule.

SECTION 2: BYPASS JUNK FOLDER (O365 mail servers ONLY)

This rule will allow only simulated phishing emails from us to bypass the Junk folder to ensure that your users are receiving simulated phishing emails in their inboxes.

Step 1:

Go to Admin -> Admin Centers -> Exchange -> Mail Flow.

Step 2:

Click the + button and select “ Create New Rule… ” from the dropdown menu.

Step 3:

Step 4:

Beneath " Do the following… ", select " Modify the message properties -> Set a Message Header "

Step 5:

Set the message header " X-Forefront-Antispam-Report " to the value " SFV:SKI; ".

Step 6:

After you click save, ensure that your rules are in the correct priority order. “Bypass Clutter & Spam Filtering by Domain” should be Priority 0, “Bypass Clutter & Spam Filtering by Email Header” should be Priority 1 and “Prilock - Skip Junk Filtering” should be Priority 2. If your rules need to be rearranged, you can select one and click on either the up or down arrows at the top of the section.

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