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

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

>>> 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: ;

> Uhm, why did you just put a semicolon? Didn't you want
> "undisclosed-recipients:;" ??

>> Subject: test
>> Bcc: Uwe Brauer <blabla@blabla>, Uwe Brauer <blabla2@gmail.com> 
>> 
>> Gnus does not send it

> It worked when I tried, as I showed.

> Maybe you have some configuration interfering?

> You did put the exact text "undisclosed-recipients:;" in the To:-line,
> right? (Without the quotes).

From: Uwe Brauer <oub@mat.ucm.es>
To: undisclosed-recipients:;
Subject: 
Bcc: Uwe Brauer <oub@mat.ucm.es> 
Gcc: nnml+archive:sent-mail
Date: Mon, 11 Feb 2019 23:16:55 +0100
Message-ID: <8736ounf6w.fsf@mat.ucm.es>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Then I obtain the following error