Another sendmail relaying problem.

Franco primo at ischianet.com
Fri Jun 25 17:48:52 UTC 2004


Sorry, i speach very bad english,
i'm already installed spamassassin with clamav antivirus and
all work fine i want block the e-mail sent through my smtp
with mail from as one of my local user.


Scot L. Harris ha scritto:

> On Fri, 2004-06-25 at 13:22, Franco wrote:
> 
>>Hi, i say that someone is able to bounce a message through my
>>server to local user, it can use the server smtp to delivery
>>to local user but the mail from must be any local user.
>>
>>Example: on my server i have 20 local users, one of this
>>is pippo at ppppp.com, someone send e-mail through my server using
>>my server smtp and in the from address of e-mail put pippo at ppppp.com
>>it send the e-mail without problem.
>>So all who want do spamming on my local user can do this.
>>How can stop it?
>>
> 
> 
> Ah!  If you want to stop spam that is a different problem.  What you
> describe is exactly how it is suppose to work.  If you blocked delivery
> to your local users then email would not be of any use to them.
> 
> But if you want to block spam then you need to install something like
> spamassassin on your box.  I believe FC2 ships with version 2.63 which
> is the latest.  You will need to spend time deciding how you want to
> configure spamassassin for your server and if you want to handle it site
> wide or let the users handle it at their level.  There are several ways
> to configure it depending on how you decide to do this.
> 
> Check out the spamassassin web site and their documentation.  There is a
> good day or so of reading and planning you will need to do to set this
> up.
> 





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