Thunderbird is re-downloading old messages as if they were unread.
Thunderbird upgraded to latest version overnight. I've deleted all .msf files and unchecked "leave messages on server." I can't delete the popdat file because TB would still download 40k old messages and that will crash the system and take days to remove. Clearly this is a bug in the new version of TB. How do I solve this? Thank you for any new ideas.
被采纳的解决方案
I have no idea what deleting MSF files would do to help as they are index files for your already downloaded stored mail. You do not say anything about the index being corrupt. So I will ignore it.
The popstate.dat file however does contain the status of the downloads from the server. If anything corrupts the file, prevents it being written or chops off the connection before it can be written then what you see occurs. So for future prevention you should exclude that file from anti virus scanning, and probably you also need to disable your anti virus from scanning mail, as the chopping of the connection is the probable cause and it would be the culprit.
This addon will help in getting rid of duplicates.
https://addons.mozilla.org/en-US/thunderbird/addon/remove-duplicate-messages/?src=ss or https://addons.mozilla.org/en-US/thunderbird/addon/remove-duplicate-messages-alte/?src=search
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选择的解决方案
I have no idea what deleting MSF files would do to help as they are index files for your already downloaded stored mail. You do not say anything about the index being corrupt. So I will ignore it.
The popstate.dat file however does contain the status of the downloads from the server. If anything corrupts the file, prevents it being written or chops off the connection before it can be written then what you see occurs. So for future prevention you should exclude that file from anti virus scanning, and probably you also need to disable your anti virus from scanning mail, as the chopping of the connection is the probable cause and it would be the culprit.
This addon will help in getting rid of duplicates.
https://addons.mozilla.org/en-US/thunderbird/addon/remove-duplicate-messages/?src=ss or https://addons.mozilla.org/en-US/thunderbird/addon/remove-duplicate-messages-alte/?src=search
Thank you very much for taking the time to respond. Deleteing .msf files was suggested consistently on other knowledge base posts.
I manually deleted all the duplicates before your solution was posted, but I've noted the addon for the future and have excluded the popstate.dat file from scanning.
Hopefully the issue won't recur and I'll post again if it does.
Again, thank you for your time and clarification!