Set Up an Allowed Proxy List for Image URLs

In Google Workspace, setting up a proxy whitelist for image URLs is mainly used to control the loading of external images in emails, for purposes of security, privacy, and compliance.

Step-by-step guide:


1. Log in to the Google Admin Console

2. Then click on "Apps > Google Workspace > Gmail" and look for the menu item "End User Access": 

4. Select the organizational unit:

5. Look for the menu item "Image URL Proxy Whitelist":

6. Enter the allowed domains for the image URL proxy. The image below is for example purposes only; the domains to enter are 30 in total and are listed below:

Note: Domains must be entered using the format domainname.ext/ and one per line.
 

The full list of domains is available on the platform in the section:
"HELP > Support - Knowledge > Click here to download whitelisting additional informations"