This error appears after clicking on "Übermitteln".
This appears only, if I do this out of a separate e-mail window.
If the e-mail is displayed in a preview area in Outlook and I check it there, it works well, no error.
Go to Solution.
I have tried on my side, but not find the same issue.
The 403 Forbidden Error happens when the web page that you’re trying to open in your web browser is a resource that you’re not allowed to access.
Best Regards,Community Support Team _ Lin TuIf this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
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