BTS not archiving Bcc: mails? [was: Re: inconsistent mailgraph settings]

[Tomas Pospisek <tpo2@sourcepole.ch>]

Hi Mattia,

On 21.08.21 12:06, Mattia Rizzolo wrote:
> On Sat, Aug 21, 2021 at 10:36:04AM +0200, Tomas Pospisek wrote:
> > Hi Vincent,
> >
> > On 20.08.21 16:50, Vincent Lefevre wrote:
> > > My bug report https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989734
> > > has been closed again, with no explanations.
> >
> > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989734;msg=12 claims that
> > the bug was closed via
> > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989734;msg=10 . However I
> > can't see why the latter mentioned message would close the bugreport. Can
> > anybody shed some light on this?
>
> Likely Jörg Frings-Fürst BCCed the -close@ address.  There are some
> people who do that…

Wouldn't the Bcc'ed email that arrived to the BTS be visible in the 
bug's log/archive (on the bug's page (https://bugs.debian.org/989734))? 
Or will BTS filter out Bcc emails?

Why would the BTS behave in such a way or even allow that? ?8-o ?

Stumped,
*t