Broken images in email only after enabling CDN CNAME

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1

Here’s the images broken in emails only since enabling CDN (CNAME subdomain for statics):
image

Images work perfectly everywhere else. Only some of them are broken in emails. (gmail)

Gmail puts proxy in front of images:
https://ci3.googleusercontent.com/proxy/CtfzZtvVw5WqvbRVKW3ONw5NxeNvVPIH8kKCO9AjMQV0C2ee5HsTdhD8Mx7vYpr9q49ctc8bFmqNPBvS5m3I0Rzf4orjwIeZJV2YbEEZz3PdPhE3=s0-d-e1-ft#**https://forum-cdn.domain/images/emails/heart.png**

The images work when accessed directly via their CDN URLs:
image

However, while within gmail, trying to open a broken image in a new tab, results in:
image

Has anyone seen similar? Wondering if it’s just a caching issue with Google’s proxy server for statics?

Thanks!

1 Like
2

This post led me to the solution.

3

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