- Open the Barracuda Email Security Gateway web console then go to DOMAINS > Domain Manager.
- Add one non-existent domain such as ddeicncorelab.com into the domain list.
- Go to DOMAINS > Smart Hosts and add the smart host info for the new added non-existent domain, use DDEI server as Destination Server.
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Go to BASIC > Administrator then under the Mail Journaling section, enter a Destination Email Address. The address domain name is the new added non-existent domain in step 2.
- Save the settings.
- Send the testing mails to Barracuda Email Security Gateway and check if DDEI can get the mails from Barracuda Email Security Gateway.