[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: DKIM: c=simple is aspirational
> On July 17, 2005 at 17:08, domainkeys-feedbackbase02@xxxxxxxxx wrote:
> > I don't know whether Ned is of the view that it *should* be excised or
> > whether
> > it can be re-cast to alleviate his concerns in terms of defaults, advice
> > to
> > implementers, nomenclature implications and so on.
> I believe simple should be there, but it is too simplistic.
> Line folding in headers and normalization of header field names
> to lowercase should be done to preserve the semantics of RFC-2822.
> Along with that, specific recommendations should be added when
> "simple" is the choice algorithm. For example, the message should
> be formatted/encoded according to the MIME specification to insure
> safe transport. This includes converting all entities into
> 7bit, using quoted-printable and/or base64 to achieve this.
> For entities where the original data contains trailing whitespace,
> the entity should be converted to quoted-printable. For example:
> Here is a line with some extra spaces at the end =20
> And lines that start with "From " should cause the entity to
> be CTE'ed in quoted-printable:
> From=20 here to eternity.
> To avoid the potential of intermediate systems from escaping
> the "From " by prefixing it with a ">".
I am in complete agreement with all of these suggesions.