My company's network has a firewall blocking Campfire. What are the IP addresses need to be whitelisted?
The Campfire IP addresses are: 18.104.22.168, 22.214.171.124, and 126.96.36.199
The domain and IP from which Campfire emails are sent is:
To ensure that images and assets load correctly, the domain “cloudfront.net” will also need to be whitelisted.