On 10/11/2014 09:30, Stephen J. Turnbull wrote:
Barry S. Finkel writes:
  > On 11/9/2014 8:37 PM, Hal wrote:

  > > I did some more research and found out that the MBOX format isn't
  > > standardized as there are 4 different variations

Jamie Zawinski's page http://www.jwz.org/doc/content-length.html has
some historical information not on that page, and is far more
entertaining (well, to warped minds like mine, anyway).

Oh my what a mess! Funny read though ;-)
I'm not surprised I've been having problems. That in addition to corrupt messages, missing subjects, having been through multiple systems and apparently being a mix of several MBOX formats. Well, having finally completed importing all those MBOX files into Mailman I hope I never have to do it again.

I used the Thunderbird email program to organize them while simultaneously editing problematic MBOX documents in a text editor.


  > > Investigating the MBOX files in a text editor I found the problematic
  > > ones to have headers starting with ">From " (without the quotes) which
  > > the working ones didn't, so I removed all those lines

I'm surprised that this works.  What should work is to remove the ">"
from From_ delimiter lines.

Failing to remove them resulted in every message appearing in the current month and without a subject. Using the Grep command in my text editor to remove those lines put them where they should be (correct dates) and with their subject headers. I also realized that I had to rename all occurances of lines in the body starting with "From" to "from" or else those messages would get all messed up (not showing their body contents at all or only partly showing).


  > When I read a message that has "From " changed to ">From " (at the
  > beginning of a line), I have to trouble interpreting the mail.
  > The URL above says that the transformation "corrupts" mailboxes.
  > I would use the term "changes", as the e-mail body has been
  > changed.

See Jamie's page for why "corrupt" (in quotes) is of appropriate
severity.  In particular, the example of a digital signature is
salient.

I didn't try it, but I could probably have renamed all lines in the body from "From" to ">From". Oh well, at least it works now.

Thanks for the insight from you and others and especially for Mark Sapiro's help and patience on the subject!


Hal
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