On 9/14/23 08:03, Thomas Hoffmann (Speed4Trade GmbH) wrote:
Sorry, I thought removing all content and subject is sufficient. Maybe the
message-id header is used internally(?)
TL;DR: technical details about message threading. Not about Tomcat.
This is what happens when you reply to an existing message for a new
topic rather than starting a brand new message:
https://www.dropbox.com/scl/fi/6f6xqoj9ndznr1pwnluuk/bad-threading-tomcat-user.png?rlkey=q6385e4fqyd2ngp97qgj4bj3y&dl=0
There are headers in the message that facilitate threading that you
can't normally see. These are the relevant headers in the message you
replied to:
References: <[email protected]>
<[email protected]>
<[email protected]>
<[email protected]>
<[email protected]>
<[email protected]>
In-Reply-To: <[email protected]>
Message-ID:
<CANQXucfXnysDtn1kmK320AF6uYjrp=ncnmcuvsjbk9zvela...@mail.gmail.com>
And these are the relevant headers in your reply:
Message-ID: <[email protected]>
References: <[email protected]>
<[email protected]>
<[email protected]>
<[email protected]>
<[email protected]>
<[email protected]>
<CANQXucfXnysDtn1kmK320AF6uYjrp=ncnmcuvsjbk9zvela...@mail.gmail.com>
In-Reply-To:
<CANQXucfXnysDtn1kmK320AF6uYjrp=ncnmcuvsjbk9zvela...@mail.gmail.com>
While some mail clients will create threads on the message subject,
these headers are the strictly correct way to show threads. We also see
messages where people send a reply to a thread by writing a new message
with the same subject. Clients that do threading properly will not show
those messages as part of the thread.
Thanks,
Shawn
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