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.


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?