Form emails not coming through Barracuda Firewall

Good Evening,

I am getting emails to gmail, but not to our domain. Which domains or IPs should I white list on our firewall to ensure delivery of these emails.

Hello it_grb,

You can find the list here: https://www.jotform.com/help/145-Whitelisting-JotMails-IP-Addresses 

You can also check your email address if in any case it landed in the bounce list. Please check this guide for the steps: https://www.jotform.com/help/262-How-to-Remove-Your-Email-Address-from-Bounce-List

Another thing, if you need to check your email activity history, you can check this guide for the steps: https://www.jotform.com/help/293-How-to-View-All-Your-Form-Email-History

If in any case you need assistance or if you have questions, please do let us know. We'll be more than happy to assist.

Thanks.