Alex,
If this is a standard, then as a point of etiquette, members of a
list should a start new topic as a new mail message and not as a
reply to an unrelated thread.
Dennis
On Jun 9, 2005, at 5:03 PM, Alex Tweedly wrote:
Dennis Brown wrote:
Dan and Mac Mail.app users and anyone who replies to messages,
I have noticed that Mail.app seems to put seemingly unrelated
threads into an existing thread at times. I think I see a
possible explanation for this. In addition to the usual method
of looking at the subject text, I think mail.app also
fingerprints messages somehow, so it knows when a reply is to
that message --even if the subject line is altered. So if
somebody starts a new thread by replying to a thread I started or
replied to, just to get the header info, then replaces the body
and subject lines to a new topic, my Mail.app assumes it is still
related to the original message. I just tested out this theory
by replying to a thread I started, but I changed everything about
the message except the To: line. Sure enough the message came
back threaded to the unrelated message I started it from.
That seems likely - though it's not particularly the mail.app -
it's been part of the mail standard for 20+ years.
The headers for the mail I'm replying to included the following lines:
Message-id: <[EMAIL PROTECTED]>
In-reply-to: <[EMAIL PROTECTED]>
and these are used (probably along with others) to decide what's a
thread and what isn't. (See rfc 822 published in 1982 !!)
A case of too smart for its own good!
A case of doing exactly what the standard says it should do.
--
Alex Tweedly http://www.tweedly.net
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