Prerequisites
Summary
Regular Expressions are another form of a Keyword/Dictionary list, but are more specific using formal language to identify specific characters, words, or patterns of characters. Typical list matching uses include; domain, credit cards, identification numbers (DLN, SSN), and document types. The secure mail gateway contains many of those lists that can be modified, but no new list may be added. As with a keyword list, the Regular Expression list must be selected as a match condition when creating or modifying a new policy to trigger mail encryption This article will demonstrate how to modify a Regular Expression list. |
1. In a web browser navigate to the ITSolutionsNow encrypted mail gateway: https://securemail.myhostedservice.com// |
2. Login using the administrative credentials supplied for the mail encryption services
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3. After a successful login locate the policies section and click the link for List Policies.
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4. On the subsequent page, Outbound Email Policies, click the link on the right side of the page Regular Expressions.
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5. The list of Regular Expressions will be displayed in the center of the page. It is not recommended to modify any type of list containing a string of identifying characters such as a driver's license, or credit card number unless the admin has a good understanding of regular expressions. For this example, the list of images will be modified. Click the list Image Files, to continue. |
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6. The list specifications will be displayed. In this instance the image type, .PDF is to be added to the list of blocked files. Type the following to add PDF's to the list match conditions:
Click Save As to save the changes made to the Regular Expression list. Remember that any list must be included in policy to trigger encryption protocol. |
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7. New lists may be created after Step 4, by clicking on the New List button. However creating a new list requires intimate knowledge of both regular expression syntax, and the intended list functionality. |
What Is Next?
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