[Users] [Bug 4609] New: mbox export can't be opened with mb2md

[Dave Howorth]

On Mon, 20 Jun 2022 17:05:20 +0000
noreply at thewildbeast.co.uk wrote:

> https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4609
> 
>             Bug ID: 4609
>            Summary: mbox export can't be opened with mb2md
>            Product: Claws Mail
>            Version: 4.0.0
>           Hardware: PC
>                 OS: Linux
>             Status: NEW
>           Severity: normal
>           Priority: P3
>          Component: Other
>           Assignee: users at lists.claws-mail.org
>           Reporter: raingloom at riseup.net
> 
> Somewhat related to
> https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4307
> because the question of "what flavor of mbox" was already raised
> there without any answer.

The question is answered in the claws manual. The answer is mboxrd.

> The bug is as described in the summary.
> Claws served me well for a while but is way too buggy, so I'm moving
> to maildir and mu4e and it'd be good to import my old messages.
> I had to move all of them into a single folder to make the process
> faster, because Claws doesn't export recursively. Also probably ran
> into the 0 byte export problem, but whatever, tried it again and got
> a huge file. I tried to feed that into mb2md and it says it's not a
> valid mbox file. This is the version of mb2md in question:
> http://batleth.sapienti-sat.org/projects/mb2md/
> 
> Precise Claws version is 4.1.0 but that's not an option in the bug
> tracker. Even more precise version if dependencies are of interest:
> Guix commit 2f3dec3

Google tells me that if I wanted to copy an MH store to an equivalent
Maildir one, the first thing I would try is to use mutt to do it. I
believe that would allow to preserve the structure.