Whitelisting in Libraesva

This guide walks you through the steps to ensure system emails are delivered successfully by configuring your Libraesva Email Security Gateway (ESG).


Part 1: Whitelist System emails

  1. Log in to your Libraesva ESG admin console. 
  2. Navigate to the Whitelists and Blacklists section by going to Admin Area > Content Analysis > Whitelists & BlocksLists
  3. Click the New button to add a new entry

  1. In the From Address/Sender field, add each of our sending domains:
  1. In the To Address field, enter your recipient domain (e.g. @yourcompany.com) or leave it as default to include the entire domain.
  2. Do not tick the Check Envelope Only box - leave it unchecked so the system examines both envelope and header data.

* It may take up to 10 minutes for the changes to take effect.

Our whitelisting technical information can be found here: Whitelisting Technical Information.

Part 2: Bypass URL Sandboxing for System Training Links

URL sandboxing in Libraesva may sometimes delay or block access to training links. To prevent this, you can add an exception.


  1. Log in to your Libraesva ESG admin console
  2. Navigate to Content Analysis > select Sandbox Filters > then click URLSand tab.
  3. Click the Exceptions sub-tab.
  4. Click New button to create a new entry.

  1. Add the following domain to the exception list:
  1. Click Save or Apply.

Note: For broad coverage, you can use a wildcard format, such as  *.goldphish.com/ *, which will exempt all subdomains and paths within that domain.


Test Campaign


After completing the whitelisting process, send a test phishing campaign to a small group (2-3 users) to ensure emails are successfully delivered to inboxes and any clicks on links are tracked in the campaign dashboard.

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