The IEFT Working Group for Usenet

Julien ÉLIE | 23 Dec 2009 17:25

Number of occurrences of headers


Hi,

I am currently adding support for the new header fields defined in RFC 5536
and 5537 in INN.

As far as I understand, every field defined in these RFCs can be used
0 or 1 time in an article, except for Comments: and Original-Sender:
which can be used an unlimited number of times.

Regarding Original-Sender:, isn't one time enough?

--

-- 
Julien ÉLIE

« Être en vacances, c'est n'avoir rien à faire et avoir
  toute la journée pour le faire. » (Robert Orben)

headers

Russ Allbery | 23 Dec 2009 20:13

Re: Number of occurrences of headers

Julien ÉLIE <julien <at> trigofacile.com> writes:

> I am currently adding support for the new header fields defined in RFC 5536
> and 5537 in INN.

> As far as I understand, every field defined in these RFCs can be used 0
> or 1 time in an article, except for Comments: and Original-Sender:
> which can be used an unlimited number of times.

I haven't checked RFC 5322 for the headers defined there, but that sounds
right.

> Regarding Original-Sender:, isn't one time enough?

Normally, yes, but it wouldn't be in pathological gatewaying situations
where an article was gatewayed multiple times.

--

-- 
Russ Allbery (rra <at> stanford.edu)             <http://www.eyrie.org/~eagle/>

headers

Julien ÉLIE | 16 Jan 2010 18:16

Re: Number of occurrences of headers


>> As far as I understand, every field defined in these RFCs can be used 0
>> or 1 time in an article, except for Comments: and Original-Sender:
>> which can be used an unlimited number of times.
>
> I haven't checked RFC 5322 for the headers defined there, but that sounds
> right.
>
>> Regarding Original-Sender:, isn't one time enough?
>
> Normally, yes, but it wouldn't be in pathological gatewaying situations
> where an article was gatewayed multiple times.

OK, thanks Russ.  I have just implemented the required change in the
latest development version of INN so as not to mention these two headers
(otherwise, multiple occurrences are not allowed).

--

-- 
Julien ÉLIE

« Rien ni personne n'a tout à fait tort : même une horloge
  arrêtée a raison deux fois par jour. » (John Steinbeck)