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Re: Signature not working



On Fri 31 Jul 2020 at 14:51:13 (-0700), Charlie Gibbs wrote:
> On Fri Jul 31 14:39:39 2020 Stefan Monnier <monnier@iro.umontreal.ca> wrote:
> 
> >>> Then you're confused: his `-- t` is perfectly normal and valid
> >>
> >> No, I'm not confused.  '-- t' is NOT a valid sig separator.
> >
> > Indeed it's not, and that's OK because Tomas doesn't use it as
> > a "signature separator" (the thing that should be `-- \n`), but
> > just as the last line of text in his email, which stands more or
> > less for his name.
> >
> > There are 3 separate notions of signature here at play:
> > A) the `-- \n` notion of signature taken from ~/.signature.
> > B) the non-computer-related notion of someone adding his name
> >     at the end of his text
> > C) the cryptographic data meant to prove authenticity.
> >
> > Tomas means his `-- t` to be of the (B) category (just like my
> > `-nStefan` below), and according to the RFCs with which I'm familiar
> > it does indeed correctly fall into the (B) category.
> >
> > IIUC you think it was meant to be in the (A) category, but I have no
> > idea what makes you think so.
> 
> Compounding the confusion, even the signatures from The Wanderer and
> Brad Rogers don't come out properly on my machine.  I read this list
> through the newsgroup linux.debian.user, using slrn - and the "--\n"
> from these two people comes through as --=20, hence is not recognized.
> This probably has something to do with the fact that their messages
> contain a "Content-Transfer-Encoding: quoted-printable", which I've
> always thought to be a nasty format.

It might. I see (without the slashes)

/--=20
/ Regards  _
 …

and

/--=20
/   The Wanderer
 …

in the raw messages, but mutt displays them as signatures (in yellow here).

I notice that your post has Content-Type: text/plain; charset=utf-8; format=flowed
in the header. Might you be using flowed to read posts too, and does
that interact with their quoted-printable in some way?

I certainly haven't yet understood the full implications of RFC 3676
for posts that are all of signed, signatured, and quoted-printable.

Cheers,
David.


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