Hello Shawn, > -----Ursprüngliche Nachricht----- > Von: Shawn Heisey <[email protected]> > Gesendet: Freitag, 15. September 2023 03:56 > An: Tomcat Users List <[email protected]> > Betreff: Re: AW: HSTS on 401 / error pages > > 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: <9ebb0e5d-1794-92f6-9c9f- > [email protected]> > <[email protected]> > <[email protected]> > <[email protected]> > <[email protected]> > <[email protected]> > In-Reply-To: <c668d2c4-f475-5303-9cba- > [email protected]> > Message-ID: > > <[email protected] > .com> > > And these are the relevant headers in your reply: > > Message-ID: <[email protected]> > References: <9ebb0e5d-1794-92f6-9c9f- > [email protected]> > <[email protected]> > <[email protected]> > <[email protected]> > <[email protected]> > <[email protected]> > > <[email protected] > .com> > In-Reply-To: > > <[email protected] > .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 > >
Thanks for your explanation and I see that pressing "reply" causes issues. I already assumed that the mail headers are related to this. I will stick to "new message" in future! Have a nice day! Thomas
