I am very new to sandboxie. Here's what's happening. I select "Run web browser sandboxed" then I open my gmail to check some suspicious emails. Then I exit the sandbox and open my gmail as normal and it shows that the ones I looked at in the sandbox are no longer new. What am I doing wrong, or is that normal? I tried checking what Sandboxie says but it doesn't make sense. If you could simplify your explanation, I'd appreciate it.
Do you mean the read emails are not longer unread? If so, that's completely normal. Unread/read status is sync in the gmail server.