Disable or limit email in root?

[Jorge Biquez]

Hello.

I am trying to find if sendmail was the problem 
or what... thing is not that root receive email 
but that root was used to send email to a list of address...

JB

At 11:07 p.m. 26/05/2011, you wrote:
>I don't remember for sendmail but if you
>install postfix root cannot receive any
>email
>
>
>Le 27/05/2011 05:03, Jorge Biquez a écrit :
>>Hello all.
>>
>>Is it possible that the root user can be limited to send email only for
>>activities realetd to the server and only locally?
>>
>>or
>>
>>limit the amount of root user can send.
>>
>>I have a 7.3 small server working as secondary dns, 3 domains for http
>>and email. very few traffic. Using sendmail, the default one.
>>
>>IN some way a spammer could tell root to send LOT emailes.
>>I detect it , I guess when they started.I did not know how they did it,
>>apparently with a program injection or similar strategy since it seems
>>they do not enter the server, for what I have checked until now.
>>
>>Can be restricted the root user? ON the side of the OS or the sendmail.
>>
>>Suggestions on how to avoid this again.
>>
>>The password for root was VERY strong. I do not think they access it. I
>>guess when I configured the email and server let something open so root
>>was forced to do that.
>>
>>Thanks in advance
>>
>>Jorge BIquez
>>
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