On Oct 10, 2009, at 4:19 AM, Stephen J. Turnbull wrote:
2. A formal proposal of a new header field, Responses-To, whose sole purpose is to allow mailing lists conforming to RFC 2369 to hint to MUAs whether a reply or followup is usually appropriate on the list. I've cross-posted to Mailman Developers because I'd like to solicit the opinions of those folks about whether Mailman should implement this draft RFC early in the process. Concrete proposals are a ways off, though. Followup to Mailman Users, please.
So a couple of things.I'm not opposed to implementing draft RFCs or even defacto proposals in Mailman as long as we label them experimental. IOW, should the RFC change, we'll obviously need to change Mailman to conform. A lot of email lore is just defacto standards and we already support many of them. We'll take them on a case-by-case basis, but Mailman should not blindly rule out supporting them. For the ones we like, Mailman support can go a long way to proving the feasibility and perhaps nudging others to support the proposals as well (see my Archived-At contents proposal).
In general, I like Stephen's proposal as a way to help reduce the ambiguity in this very common workflow. I'll bikeshed on this detail: I think the header should be called Response-Precedence or maybe List- Response-Precedence.
The 'List-*' prefix is evocative of RFC 2369 and since this is a list specific header, it should probably be prefixed as such. A counter argument would be that because it's the user and not the list that's making the value choice, it should not be a List-* header.
Response-Precedence is evocative of the defacto Precedence header, and it makes some sense to me because you're specifying the precedence of where responses should go, based on the conditional you posted. *-To: headers feel more like they should contain an address but this has a limited vocabulary, as does Precedence, so I like it not being a *-To header.
As for going the RFC route, I think it's not a bad idea, but I have no idea how much work is involved. ;)
-Barry
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