How to verify Qmail is not configured with an open relay.

[Lisa Kachold]

Hi Keith,

On Wed, Apr 27, 2011 at 7:15 PM, keith smith <klsmith2020 at yahoo.com> wrote:

>
>
> Hi All,
>
> I have Qmail Toaster configured on an old ... ancient laptop (1G
> Celeron,256MB RAM,14GB HD) running CentOS 5.6.  I am so excited to get this
> configured.
>
> Has a lot of help from the Qmail Toaster list.  They are great!
>
> Here is my question.  8 or 9 years ago I was running Debian and configured
> the mail server.  I was on an ISP that was friendly to running a server.  So
> I got the mail server running.  I left it on for several days until my ISP
> canceled my account because I had somehow configured the server with an open
> relay.  Someone found it and flooded the internet with spam causing my ISP
> problems.
>
> So needles to say I do not want to go through that again.
>
> Any idea how I test my configuration to ensure I do not have an open relay
> again?
>

Did you verify your configuration checked against this?

http://qmail.3va.net/qdp/qmail-antirelay.html

>
> Thanks!
>
> ------------------------
> Keith Smith
>
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