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" <[email protected]>:
> On 18 April 2017 at 09:32, Alexander Burger <[email protected]> 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:[email protected]?subject=Unsubscribe >
