On Tuesday 16 September 2014 at 14:07:18 (EU time), John Wilcock wrote:
> Le 16/09/2014 13:29, Reindl Harald a écrit :
> > works, however, the penalty of 2 for 'List-Unsubscribe' without 'List-Id'
> > feels a little bit unfair
>
> What's unfair about being penalised for not being standards-compliant?
>
> RFC2919 states that a mailing list SHOULD add a List-Id header, just as
> RFC2369 states that it SHOULD add a List-Unsubscribe header.
However, in RFC terminology, SHOULD means "ought to, although it's not
compulsory", whereas MUST means "you have to".
Therefore lists which don't add these headers are still RFC compliant.
Antony.
--
Abandon hope, all ye who enter here.
You'll feel much better about things once you do.
Please reply to the list;
please *don't* CC me.
