If you are still searching an FPGA board you might want to get in contact
with j-core.org
They build an open source processor and are developing an RasPi form factor
compatible FPGA board.
Am 18.04.2017 10:49 schrieb "Rowan Thorpe" <ro...@rowanthorpe.com>:

> On 18 April 2017 at 09:32, Alexander Burger <a...@software-lab.de> wrote:
> > Hi Rowan,
> >
> > > mailing-list configuration - for some reason none of the recent emails
> > > to the list from geo got through to me, but everyone else's did (I
> > > read the thread on the list's web-archive OK, but it got me wondering
> > > if any other emails never got through). Because the list-software
> >
> > Indeed something must be wrong with the mailing list. We observe
> rejected mails
> > rather often :(
> > ..[snip]..
> > In fact, everyone of us has the source of the PicoLisp mailing list
> server. It
> > is in the PicoLisp distribution, e.g. in /usr/share/picolisp/misc/mailing,
> or
> > locally in misc/mailing.
>
> I just had a glance at the source and noticed one thing so will
> mention it now, and will try to look/test more thoroughly later for
> anything else. On lines 28-30 there is the "header folding" logic:
>
> > (while (= ";" (last (last L)))
> >  (char)  # Skip TAB
> >  (conc L (trim (split (line) " "))) )
>
> which only folds the next line of a multiline header if the existing
> line ends with ";" and then chomps a single leading char, yet as far
> as I understand it, RFC822 supports [A] folding based on (single or
> multiple) leading TABs or spaces, [B] even if the preceding line
> doesn't end with a ";" :
>
>  https://tools.ietf.org/html/rfc822#section-3.2 (and see token-def in
> section 3.3)
>
> Looking through the source of various emails I've received from other
> gmail/google-apps users I noticed they often have a mix of
> multiline-header-continuations with leading SPACEs (multiple) and some
> with leading TABs, and several are just folded on space without the
> trailing ";" so it seems this isn't a theoretical edge-case...
>
> Obviously chomping only one of multiple leading spaces/tabs probably
> doesn't matter (other than for readability of mail-source), but only
> matching the fold on a trailing ";" certainly does. I suspect that is
> causing recipients' SMTP servers (and/or your own Postfix on
> localhost) to reject my emails because I have SPF/DKIM configured on
> outgoing emails, and those long headers often get folded on space
> (without trailing ";"), which I guess short-circuits the header
> processing and forwards the remainder of the headers as "the body". If
> either the SPF or DKIM headers end up included in the final outgoing
> mail they will cause a validation failure (SPF due to wrong sender,
> and DKIM due to modified content).
>
> --
> Rowan Thorpe
> http://twitter.com/rowanthorpe
> "There is a great difference between worry and concern. A
> worried person sees a problem, and a concerned person solves a
> problem." - Harold Stephens
> --
> UNSUBSCRIBE: mailto:picolisp@software-lab.de?subject=Unsubscribe
>

Reply via email to