To use our Outbound Service as a SmartHost for your Barracuda appliance, do the following:

• First, login to the SpamHero control panel and enable the Enable outbound smart host relay option on the Outbound > Outbound Settings page.
• Follow the Barracuda instructions for routing outbound emails through a relay using the following Barracuda settings:

Outbound SMTP Host (Smart host):

Port: 587
Username: [your domain name]
Password: [password you set on the Outbound > Outbound Settings page]
Force TLS: Yes