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How to Update Your Notification Email Addresses

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In order to prevent the impersonation of our trusted brand and avoid any confusion and risk for our customers, Barracuda Networks is taking steps to harden our email-sending domains to enforce DMARC policy. This important measure will prevent the potential threat of an adversary looking to impersonate Barracuda Networks to cause any harm to our customers. 

As we implement this control, we advise all of our customers to change their notification email address(s) and the SMTP server setting on their Barracuda Networks appliance(s) to use their domain/email address instead of 'Barracuda'. Please do so to ensure your email provider accepts your notification emails from your Barracuda Networks appliance. 

Here are instructions to assist with the change:

Update email notification addresses:

  1. Go to the BASIC > Administration page.
  2. Scroll down to the Email Notifications section.
  3. Set the following fields to an address using one of your organization's domains, not ''.
    1. Domain Name – Enter a valid email domain to be used as the sender email address for system generated alerts and notifications. This will be used as the "From" address when generating system alerts and notifications.
      For example, if the domain entered is, the "From" address used for system generated alerts is

      Note that an update to firmware release 5.4.2 is required in order to add a domain name for system generated alerts and notifications. For more information, see Add a Domain Name for System Generated Alerts and Notifications.

    2. System Contact Email Address
    3. System Email Reply Address
    4. System Alerts Email Address
  4. Click Save at the top right of the page.