External Image not display in outlook email

I am running to a wired issue. When we receive email from external vendor, the image in the email will not display. I got error message: “The linked image cannot be displayed. The file may have been moved, renamed, or deleted. Verify that the links points to the correct file and location.” However, if I click on the link and open it in browser, I can see the image. if I disable the Zscaler agent, image will display in outlook email.

I am using 3.5 Zscaler agent, Tunnel 1.0 packet filter forwarding with dedicate proxy port.

Any suggestions on how to resolve this issue are greatly appreciated.

Thanks,
En

Was this ever resolved for you? I have the same issue, opened a ticket and no resolution.

If it was resolved what was the fix for you?

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I’m running into the same issue right now. Has there been a fix for this?