When I setup an Email signature for a client on a Gmail account, the image is not being displayed when I look at it on my own Gmail account, but with other Gmail accounts it works.
I tried different image services, I tried setting it on a unique domain, but it seems completely random. Any ideas why it happens?
On my Gmail I setup "Always display external images".. Images: Always display external images - Learn more Ask before displaying external images
From the Gmail help files: