thundarr

If only he made that much effort to get Chromium to fix the issue. The source of the problem is with a dependency of the email clients, not the email clients themselves.

He is bothering small free software projects so that those small free software projects ask Chromium to fix the issue.

You can take snapshots of the VM with the mail server. When the bug happens, identify the snapshot. Bingo.

That specific bug needs reproducible steps. How would you try to work it out if it does not happen on your setup?

The filter/search feature in Thunderbird does not appear to have a way to search for exact matches. You want exact matches. First, identify if it can do exact matches and if so, expose to the user. Else, who wants to touch that code?

Because it has to be reproducible. Help make it reproducible and show that to the developers.