On 04/05/2023 08:14 AM, Tassilo Horn wrote:
> H writes:
>
>> I have quite a few Thunderbird mbox mailboxes to convert to Maildir
>> format and found mb2md on the 'net. Unfortunately I have not been able
>> to find the latest version as there seem to be quite a few versions
>> floating around without clear version labeling.
> Indeed, I found
>
> 3.20: http://batleth.sapienti-sat.org/projects/mb2md/
> 3.20+modifications: https://github.com/mindbit/mb2md
>
> More versions or alternatives are listed here:
>
> https://wiki.dovecot.org/Migration/MailFormat
>
> HTH,
> Tassilo
Thank you for the links. I was aware of the first and the last one but not the
second one. I will take a look at that version of mb2md.pl tomorrow.
By inspecting my INBOX files in an editor I found that most of them will need
some manual (or semi-automated) fixing. Although these are thunderbird
mailboxes, some have mail messages that in turn were imported, or converted,
from another older email software.
I can see that in some of my INBOX files many mail messages do not begin with
the ”X-Mozilla“ lines that specify that status of the message and many have no
information following on the same line as the first "From“, not sure why.
My plan now looks as follows:
- Step 1. Determine how many messages there there are in each mbox folder by
running this script:
awk '/^Return-Path/ {count++} END {print count}' mboxfolder
The assumption is that each message has exactly one such line and thus will
tell me how many messages there are in the relevant message folders.
- Step 2. Modify the mbox folder file so that every message begins with a
"From" line, regardless of what follows.
- Step 3. Modify one of the mb2md.pl scripts to be more flexible to find the
date sent (or received) from another line in the message and also make sure the
sender and subject will be visible by neomutt once converted to maildir format.
Right now, before any manual (or semi-automated) fixing, the mbox file
converted by mb2md do not show all messages (see comment on "From" above) and
many have an empty subject line and do not show the sender, this in neomutt, of
course.
Once I fix the "From" issue above, I'll see how that affects subject and sender
information visible in neomutt.
More work than I initially thought...
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