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Re: [Nmh-workers] masquerade settings & spost

From: Joel Uckelman
Subject: Re: [Nmh-workers] masquerade settings & spost
Date: Tue, 07 Feb 2012 11:13:50 -0700

Thus spake Lyndon Nerenberg:
> all
> > such nonconforming mail in the bin. That said, when I get mail from
> > ConfMaster, it tends to be mail that I need to read, so I appreciate =
> it
> > when nmh can take a guess and perhaps show me some not-too-garbled =
> text.
> > (In this particular case, 'show' just barfs, sadly.)
> Can you define 'barf' in a bit more detail.  And could you forward one =
> of those messages to me (offline) as an attachment?

Message forwarded.

After displaying the headers, I get this from 'show':

mhshow: don't know how to decode content
        (content text/plain in message 10)

and it exits. It's not crashing, but I wouldn't mind if after getting
this error message, it tried dumping the offending MIME part into less
as a fallback. All I really want is a shot at looking at the contents
without having to do anything special. 
> Any attempt to re-sync after a decoding error is a vector for security =
> breaches.  If I can fool your MIME parser, I can create what, upon =
> visual inspection looks like a legit message, but when shovelled into =
> your favourite external processing script, inserts a faked out MIME part =
> that sends grandma porn to the DHS.
> The great thing about MH is that you can apply cat/less/vi to a =
> malformed message and let your brain try to decipher what's going on, =
> therefore there is no need to open yourself up to attack by trying to =
> turn show into an AI engine.

What you're describing here is far beyond what I was intending; I only
want a seamless way to apply my eyeballs to these broken messages.


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