mail problem

Scot L. Harris webid at cfl.rr.com
Mon Oct 18 06:08:12 UTC 2004


On Mon, 2004-10-18 at 14:07, Maurice Mcfarlane wrote:
> On 10/18/04 3:22 PM, "gm" <novastars at sympatico.ca> wrote:
> 
> > 
> > Hey guys,
> > 
> > I found out that my server (FC1) has been blacklisted by some sites. I
> > was wondering if there's a way to determine why it's been blacklist. I
> > think it's because there mite be an open relay in my server. I was
> > wondering if there's a way to test for this on my server? In general I
> > was wondering how to test the security of my network on the whole in
> > case there are other leaks on the network.
> > 
> > Cheers
> > 
> > GM
> 
> Take a look at this
> http://www.dnsreport.com/tools/dnsreport.ch?domain=sympatico.ca
> 
> I have also run the SPAM tests on your server and all send through your
> server no problem at all.
> 
> You really need to take a look at your settings.

Actually he needs to disconnect the server from the Internet immediately
and get his MTA fixed before putting it back on the Internet.

He can test it by using telnet to port 25 and trying to send a message
to a non local domain.  If he does not get relaying denied message then
he has not fixed it.

-- 
Scot L. Harris
webid at cfl.rr.com

People who claim they don't let little things bother them have never
slept in a room with a single mosquito. 




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