[e-mail] is not delivering emails Re: Undelivered Mail Returned to Sender

[Sérgio Basto]

On Seg, 2016-03-21 at 18:15 +0000, Mail Delivery System wrote:
> This is the mail system at host lists.fedoraproject.org.
>
> I'm sorry to have to inform you that your message could not
> be delivered to one or more recipients. It's attached below.
>
> For further assistance, please send mail to postmaster.
>
> If you do so, please include this problem report. You can
> delete your own text from the attached returned message.
>
> The mail system
>
> : host
>     mailman01.vpn.fedoraproject.org[192.168.1.118] said: 550 5.1.1
>     : Recipient address
> rejected: User
>     unknown in local recipient table (in reply to RCPT TO command)