[Mailman-Users] MM 2.1: User unknown in virtual mailbox table

[Cambium]

Hi
a mailing list was created with MM2.1 by a another person and I am the 
list administrator. This list was created empty

so I started inviting people to join.
However, when I started to send trial messages to the list I received 
this error message:


This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its 
recipients. This is a permanent error. The following address(es) failed:

  assemb...@llistes.ruderal.cat
   host llistes.ruderal.cat [159.69.3.30] SMTP error from remote mail 
server after RCPT TO::

550 5.1.1  :Recipient address rejected: User 
unknown in virtual mailbox table


Reporting-MTA: dns; chi103.greengeeks.net Action: failed
Final-Recipient:  rfc822;assemb...@llistes.ruderal.cat
Status: 5.0.0 Remote-MTA: dns; llistes.ruderal.cat Diagnostic-Code: 
smtp; 550 5.1.1  :Recipient address rejected: User unknown in virtual mailbox table


I don't understand why, especially because the unknown user's address is 
my address which is part of the users mailing list.
Can anyone help understand why this happens and how to fix it? (right 
now I don't have access to the person who initially created the list)

Best regards
--
-- 


Antonio Scotti
Formador, Consultor y Diseñador de Permacultura
Diploma en Diseño Aplicado de Permacultura
Tutor en la Academia de Permacultura Íbera 
<3D"https://academiapermaculturaibera.org/";>
Facilitador curso GEDS (Gaia Education Design for Sustainability) 
<3D"https://www.gaiaeducation.org/elearning-programmes/design-for-sustainability-es/";> 

As. Cambium Permacultura en Formación 
<3D"https://permacultura-es.org/index.php?option=3Dcom_content&vi=>

FB <3D"https://www.facebook.com/antonio.scotti.129/";>
Webmaster de Permacultura-es.org 


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virus.
https://www.avast.com/antivirus
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[Mailman-Users] Re: MM 2.1: User unknown in virtual mailbox table

[Mark Sapiro]

On 6/25/21 4:39 AM, Cambium wrote:

Hi
a mailing list was created with MM2.1 by a another person and I am the 
list administrator. This list was created empty

so I started inviting people to join.
However, when I started to send trial messages to the list I received 
this error message:


This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its 
recipients. This is a permanent error. The following address(es) failed:

   assemb...@llistes.ruderal.cat
    host llistes.ruderal.cat [159.69.3.30] SMTP error from remote mail 
server after RCPT TO::
     550 5.1.1  :Recipient address 
rejected: User unknown in virtual mailbox table

...
I don't understand why, especially because the unknown user's address is 
my address which is part of the users mailing list.
Can anyone help understand why this happens and how to fix it? (right 
now I don't have access to the person who initially created the list)

Best regards



The user that's unknown is not you. It is the list 
assemb...@llistes.ruderal.cat.


If your MTA is Postfix as it appears to be and you are using Mailman's 
Postfix integration as described at 
https://www.list.org/mailman-install/node12.html and its subsections, 
this shouldn't happen.


If you are manually creating aliases and virtual mappings for your 
Mailman lists, you need to add the aliases and virtual mappings for this 
list.


If you need further help, please provide the output from

postconf -n

so we can see your Postfix configuration.

--
Mark Sapiro The highway is for gamblers,
San Francisco Bay Area, Californiabetter use your sense - B. Dylan
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