Gmail bak folder?

[Mathias Korber]

On 21/1/18 21:21, Nicolas Sebrecht wrote:
> On Sun, Jan 21, 2018 at 07:59:34PM +0800, Mathias Korber wrote:
> 
>> I started backing up a number of my Gmail/Google Apps accounts
>> uwing offlineimap and I find that for several of them (all?)
>> there seems to be a folder 'bak' (with subfolders)
>> that I don't see in Gmail itself
>>
>> Is that the Archive?
>> Is that duplicating any emails (the numbers of messages in those
>> folders are huge for some accounts, 100k messages and counting)
>>
>> Should I filter that or are those messages potentially useful?
> 
> I'm not aware of a 'bak' folders in Gmail. It's likely folders of
> users.

No, There are no 'bak' folders visible in the Gmail
interface itself but when I sync via offlineimap, I get


drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 archive
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:48 archives
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 bak.all_mail.2013
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 bak.all_mail.2014
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:48 bak.drafts
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 bak.flagged
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 bak.important
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:48 bak.sent
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:48 bak.spam
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:48 bak.trash
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 bak.trash.2012
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 bak.trash.2015
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 drafts
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 inbox
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 inbox.2017-07-sf
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:48 notes
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:48 sent
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 trash
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:48 unwanted
drwxrwxrwx  1 mathias  staff  264 Jan 20 12:49 years


on another account:

drwxrwxrwx  1 mathias  staff  264 Jan 20 16:44 bak.bin.mail
drwxrwxrwx  1 mathias  staff  264 Jan 20 16:44 bak.drafts
drwxrwxrwx  1 mathias  staff  264 Jan 20 16:44 bak.flagged
drwxrwxrwx  1 mathias  staff  264 Jan 20 16:44 bak.important
drwxrwxrwx  1 mathias  staff  264 Jan 20 16:44 bak.sent
drwxrwxrwx  1 mathias  staff  264 Jan 20 16:44 bak.spam
drwxrwxrwx  1 mathias  staff  264 Jan 20 16:44 bak.trash
drwxrwxrwx  1 mathias  staff  264 Jan 20 16:44 inbox

and so on. it seems to me they are linked to flags in Gmail?