On 05/03/2012 06:07 AM, Tobias Pankrath wrote:
Does the D newsgroup have broken threading in mutt? In my client
threading breaks often because some answers starts new thread
etc. makes the hole thing useless.
The broken threading is caused by the Mailman newsgroup to mailing list
gateway, as described in this post:
http://forum.dlang.org/post/akftpzpkwuoqmfzij...@dfeed.kimsufi.thecybershadow.net
I was looking briefly at this issue recently, as it was getting annoying
to follow the large threads in my newsreader, and it seems to me that
the Mailman stance of changing the Message-ID is wrong. They claim they
are just trying to follow the RFCs by generating their own unique ID,
but reading RFC 2822 makes it clear that they are misguided:
"The uniqueness of the message identifier is guaranteed by the host that
generates it (see below)."
My comment: In other words, they shouldn't be assuming responsibility
for this.
"Note: There are many instances when messages are "changed", but those
changes do not constitute a new instantiation of that message, and
therefore the message would not get a new message identifier. [..] The
addition of such header fields does not change the identity of the
message and therefore the original "Message-ID:" field is retained. In
all cases, it is the meaning that the sender of the message wishes to
convey (i.e., whether this is the same message or a different message)
that determines whether or not the "Message-ID:" field changes, not any
particular syntactic difference that appears (or does not appear) in the
message."
My comment: Making the intention of the Message-ID clear, and in fact by
generating a new one they are working against its purpose.
I found two Mailman bug reports with patches regarding this issue:
https://bugs.launchpad.net/mailman/+bug/266263
https://bugs.launchpad.net/mailman/+bug/496233
I may or may not follow up on this with the Mailman folks. If somebody
else wants to feel free.
