[MlMt] Mailmate crashes when importing mbox archive

[Jon Nall]

>
> @Bram: Thanks for the example. I believe I have recently received
> another report about a crash on importing an mbox-file. Maybe it's an
> old bug or maybe I've recently introduced a new bug, but in any case
> I'll look into it when I have a bit more time. I'll get back to you if 
> I
> need more information.

Benny,
I know I had it crash on me -- I figured it had to do with the size of 
my mbox file (> 3Gb). I haven't tried it with 1.7.2, but previously it 
was 100% reproducible on my end. If you need any more info, just shoot 
me a mail (or send me a ticket to which I can attach the info).

nall.