If using Barracuda, admins may need to configure their Barracuda instance to accommodate Phin IPs, URLs, and domains.

If you have any issues with Barracuda, please reach out to the Barracuda support team.


Barracuda Email Security Service - Configuring Inbound Email

Intent Analysis - Inbound Mail

How to Configure Sender Policy Framework

Advanced Threat Protection (ATP)

How to Allow Senders