Off line copy of IMAP mail folders get erased
Categories
(Thunderbird :: Untriaged, defect)
Tracking
(Not tracked)
People
(Reporter: ToddAndMargo, Unassigned)
Details
User Agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:66.0) Gecko/20100101 Firefox/66.0
Steps to reproduce:
Grab two fresh IMAP eMail accounts.
Install one in Thunderbird. Populate it with some folders and some mail you don't mind losing.
Go into account setting and change the account to the other IMAP account.
Your old folders will disappear.
Actual results:
I do not know if this is the way IMAP is suppose to work, so please forgive if this is off topic.
With Thunderbird off, if you copy over the mail folders from somewhere else, when you restart Thunderbird, if you are using IMAP the folders get erased. With POP3, you get your folders.
If this is just the IMAP is suppose to work, would you please consider a way of importing mail from other accounts or backups?
You can drag folder from one account to the other, but you run afoul of the nine year old bug #538375.
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Comment 1•6 years ago
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This is antithetical to how IMAP is designed to work - what is on the client is a representation of what is on the server, not the other way around. And as far as I know there is no RFC standard to do what you are as asking for.
But there are import tools you can use. I'm sure support people can tell of their experience with these.
Wayne, what you write is correct as long as TB works as expected.
The moment something goes wrong, it might be desirable to restore the local files holding the emails. Just as in my case where the *.msf was corrupted and changes propagated to the server. So sometimes there is a need to get to the emails in the files.
Description
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