[EAI] Re: Discussion of draft-ietf-eai-mailinglist-01.txt

[Kari Hurtta <hurtta+gmane at siilo.fmi.fi>]

"Charles Lindsey" <chl at clerew.man.ac.uk> writes in gmane.ietf.ima:

> But, first of all, can we look at how these headers are actually used?
> To  a large extent, surely, they are for human use. A human wants to
> unsubscribe from the list, so he asks his browser to show all the
> headers,  finds the one that says List-Unsubscribe, and clicks on what
> he sees there  (which will presumably be a mailto:).
> 
> So which of these headers is likely to be looked at an acted upon by
> some  software that need to understand them? What is current practice
> here?
> 
> The obvious candidate is the List-Post header, which might be examined
> by  some MUA in response to pressing a "Followup" button (in fact, I
> wish MUAs  would provide such a button instead of forcing you to use
> Reply or  Reply-to-All, neither of which do what you actually
> want). Such a facility  would certainly expect to see a mailto: and to
> try to mail the followup to  it, and if it found a utf8 address there
> might get upset (a  UTF8SMTP-capable MUA, of course, might look to see
> if there was a second  ascii address and use that if its MSA demanded
> downgrading).
> 
> But I doubt any existing agent is actually going to barf if is sees
> more  than one address. More likely, it will try the first one it
> sees, and  never look any further.

On my MUA   reply-to-list (Rl)  uses always first mailto -link
from List-post header field. There is also soem other reply commands
which uses first mailto -link. All these reply commands selects
first available mailto link (reply-to-owner (Ro) uses List-Owner).

On mail-to-list (Il) it is possible to select which link from
List-Post header field used. Same apply also for other posting
commands (mail-to-owner (Io) -- List-Owner, list-help (Ih)
-- List-Help and so on).  All these header fields are supported 
(assuming  that they include some mailto links).

/ Kari Hurtta


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