Re: Getting rid of infradead.org - corrupted subjects

[Rob Herring <robh@kernel.org>]

On Wed, May 25, 2022 at 4:55 AM David Woodhouse <dwmw2@infradead.org> wrote:
>
> On Wed, 2022-05-25 at 10:34 +0200, Geert Uytterhoeven wrote:
> > CC dwmw2
>
> Thanks, Geert.
>
> > On Wed, May 25, 2022 at 10:07 AM Krzysztof Kozlowski
> > <krzysztof.kozlowski@linaro.org> wrote:
> >
> > > The address list is semi-random as I don't know whom to approach.
> > > Problem: infradead.org corrupts email subjects by changing:
> > > s/,/, /
>
> I found an old thread on mailman-users which appears to be claiming
> that it's just standard folding as described in RFC2822 §2.2.3.
>
> https://mail.python.org/pipermail/mailman-users/2007-May/057119.html
>
> 2.2.3. Long Header Fields
>
>    Each header field is logically a single line of characters comprising
>    the field name, the colon, and the field body.  For convenience
>    however, and to deal with the 998/78 character limitations per line,
>    the field body portion of a header field can be split into a multiple
>    line representation; this is called "folding".  The general rule is
>    that wherever this standard allows for folding white space (not
>    simply WSP characters), a CRLF may be inserted before any WSP.  For
>    example, the header field:
>
>            Subject: This is a test
>
>    can be represented as:
>
>            Subject: This
>             is a test
>
> But this is folding at a *comma*, not at whitespace. The original
> subject line was (in a single line):
>
> Subject: [PATCH v2] dt-bindings: mtd: jedec,spi-nor: remove unneeded properties
>
> ... and Mailman 'folded' it in the wrong place to:
>
> Subject: [PATCH v2] dt-bindings: mtd: jedec,
>  spi-nor: remove unneeded properties
>
> That *isn't* proper folding because it didn't happen at a whitespace.
>
> I do need to upgrade to Mailman 3 at some point; I've been
> procrastinating on the basis that it "ain't broke". For the time being
> I've just disabled folding in MM2 with a trivial hack:

Yay!!! I should have asked years ago...

Any chance the appending of footers can be stopped as it causes lore
to report duplicates and b4 dmarc attestation to fail?

Rob