Постоянно приходят сообщения, что недоставленно сообщение на адрес wikus@localhost от root@localhost
You have mail in /var/mail/user
user@localhost:~$ mail
Mail version 8.1.2 01/15/2001. Type ? for help.
"/var/mail/user": 1 message 1 new
>N 1 Mailer-Daemon@loc Tue Nov 22 01:29 41/1457 Mail delivery failed: retur
& 1
Message 1:
From MAILER-DAEMON Tue Nov 22 01:29:08 2016
Envelope-to: user@localhost
Delivery-date: Tue, 22 Nov 2016 01:29:08 -0500
X-Failed-Recipients: wikus@localhost
Auto-Submitted: auto-replied
From: Mail Delivery System <Mailer-Daemon@localhost>
To: user@localhost
Subject: Mail delivery failed: returning message to sender
Date: Tue, 22 Nov 2016 01:29:08 -0500
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:
wikus@localhost
(generated from root@localhost)
Unrouteable address
------ This is a copy of the message, including all the headers. ------
Return-path: <user@localhost>
В какую сторону копать, чтоб root больше на спамил.
Ничего лишнего не устанавливал, только добавил пользователя user и дал ему права суперпользователя.
Ну и дал user возможность заходить по ssh
