How data flows between your browser, Taxi for Email and Adobe Campaign
Taxi for Email is hosted in AWS (Amazon Web Services) data centres in Dublin, Ireland. Servers are on a private network with no public ip addresses and multiple levels of firewall. TLS >= 1.2 is supported
Adobe Campaign API information
Taxi connects to the Adobe campaign server using the Adobe campaign soap api:
This is the same API that is used by the adobe client console
Documentation relating to the API is available from Adobe
Connection is via HTTPS/TLS
Taxi always initiates connection from one of the IP addresses listed here, so these should be white listed in the adobe campaign settings:
https://support.emailcms.net/ip_list
Taxi requires a valid, public SSL certificate to be installed on the adobe campaign server
You can download this information here