>>> "AS" == Adam Sjøgren <asjo@koldfront.dk> writes:

> Uwe writes:
>>>>> "AS" == Andreas Schwab <schwab@linux-m68k.org> writes:
>> 
>>> On Feb 10 2019, Adam Sjøgren <asjo@koldfront.dk> wrote:
>>> To: undisclosed-recipients:;
>> 
>>> This is the RFC2822 group of mailboxes, with the list of mailboxes being
>>> empty.

> [...]

>> Thanks but any idea how gnus could be configured to show that behavior
>> of inserting undisclosed recipient into the To field?

> Just type in the value; I just tried, and the resulting received email looked
> like this:


I must be really tired but I tried


From: Uwe Brauer <oub@mat.ucm.es>
To: ;
Subject: test
Bcc: Uwe Brauer <blabla@blabla>, Uwe Brauer <blabla2@gmail.com> 

Gnus does not send it


From: Uwe Brauer <oub@mat.ucm.es>
To: ,
Subject: test
Bcc: Uwe Brauer <blabla@blabla>, Uwe Brauer <blabla2@gmail.com> 

Gnus does not send it

What do I miss?