Well in all honesty it did not break Mantis... unless something happened which you did not tell me. It just didn't work in a way you expected
The subfolders in your mailbox were created by EmailReporting based on existing projects in MantisBT installation. if a subfolder is missing, EmailReporting will create it again the next time the script runs. This of course only applies when imap_createfolderstructure is enabled
So you can delete any subfolders in the mailbox you want. If EmailReporting needs them, it will create them again
folders do not have to match categories. There is not relation between the 2. The category is taken from the mailbox you've set up within EmailReporting
Hope this clears some things up
If you have any further questions please let us know
testing gmail simply reloads the page, nothing happens
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