On 23 Nov 2020, at 23:51, Bob Proulx <b...@proulx.com> wrote: > @lbutlr wrote: >> On 23 Nov 2020, at 15:27, Jaroslaw Rafa <r...@rafa.eu.org> wrote: >>> Dnia 23.11.2020 o godz. 11:49:39 D'Arcy Cain pisze: >>>> >>>> If someone replies to a mailing list and copies the sender then that >>>> person gets two copies. The above recipe avoids that. >> >>> Moreover, it breaks the continuity of threads on mailing lists, because it's >>> unpredictable which copy will arrive first, and if only the direct copy is >>> left, the reply will go only to the sender and not to the mailing list. Thus >>> some messages are missing from lists. >> >> This is not accurate. First, the direct message almost certainly >> arrives first. Second of all, that message still has headers >> indicating it was sent to the mailing list. > > That is not accurate.
Of course it is accurate. It will have the list address in the To or CC field. > The most important of those are List-Id and List-Post without which > the message will not be filed correctly That is certainly not the case. It is COMMON to check list-id, but it is trivial to match messages based on the To and/or CC. ESPECIALLY if you have an email address that is used only for mailing lists, as I do. I never said the CCed message would cantina the list headers, only that it "still has headers indicating it was sent to the mailing list." > and most mailers will not be able to list reply correctly. Again, not at all accurate. This is all managed automatically by sieve and it used to be managed automatically by procmail. > This puts the onus upon the receiver to manually take corrective action with > the message. Not at all. > That is something > that I and probably most readers of this list can do. But for most > random people today they do not understand email and most people today > do not have the skill to do this correctly. For them it is simply > completely broken. When did we start talking about most people? We were talking about procmail recipes to eliminate duplicate messages. That already narrows the field to a tiny fraction of a percent of the people getting email. >> We are talking about duplicated messages with the same >> message-id. That is one message with multiple recipients. If they >> were separate messages, they would have unique message-id headers. > > That is not accurate. Yes it is accurate. > A single message to multiple recipients will > have one Message-Id. If you receive it by being the target of some of > those multiple recipients then you will receive multiple copies of the > message and all of the copies will have the same Message-Id. Yes. That is EXACTLY what I said: "We are talking about duplicated messages with the same message-id. That is one message with multiple recipients." -- *** AgentSmith sets mode: +m
