Can't see email content in firefox on pc windows 10

[oboutteville]

We can't see the contend off email when we read-it on zimbra webmail.
os windows 10 firefox 128.2;0 ESR
ubuntu 2204 firefox 130

[gorhill]

What's "zimbra webmail"?
What exactly can't you see? Screenshot?
How did you configure uBOL? What blocking mode on that website?
What version of uBOL?

[oboutteville]

Hello,  Thanks for your answer      zimbra is a mail server ( https://en.wikipedia.org/wiki/Zimbra) we can read mail directly on server with webacces  bad result one left ( blank message) good result on left (wee can read the message)     Best regards

[MasterKia]

@oboutteville Please don't reply via email, and answer ALL the above questions.

How did you configure uBOL? What blocking mode on that website?
What version of uBOL?

[gorhill]

zimbra is a mail server ( https://en.wikipedia.org/wiki/Zimbra)

Please provide the URL address of the webpage which has an issue. Also, is an account required to experience the issue at the given webpage? If so, can the issue be reproduced at another webpage of the same site not requiring logging in? If so, what is the URL of the webpage where we can try to reproduce the issue without having an account?