Failure to properly parse mbox

[Boris 'pi' Piwinger]

Boris 'pi' Piwinger wrote:

> I have an mbox with spam here. It has exactly 5000 messages
> and is well-formed (formail -es). Bogofilter only recognizes
> 4992 messages. If someone wants it to find the problem, let
> me know.

I could reduce this to three mboxes containing two messages
each which are read as one and one mbox with 100 messages
read as 95.

It seems to happen after base64 without a delimiter (as in
one-part-messages).

Let me know if you want the files (192k zip file).

pi