[thelist] open relay was [OT] network administration sites/lists

Chris W. Parker cparker at swatgear.com
Thu Oct 10 11:02:01 CDT 2002


> -----Original Message-----
> From: Anthony Baratta [mailto:Anthony at Baratta.com]
> Sent: Wednesday, October 09, 2002 4:34 PM
> Subject: RE: [thelist] open relay was [OT] network administration
> sites/lists
>
> At 04:01 PM 10/9/2002, Chris W. Parker wrote:
>
> >a few months ago (thanks to my negligence and inexperience)
> we had our
> >website being used as an open relay.
> >
> >anything that i can use/do to verify that the relay is
> actually closed?
>
> What SMTP Service are you using? e.g. MS? qMail? SendMail? And what
> platform? MS? *NIX?

microsft, and microsoft.

> You can test your openness via tools like these:
>
> http://www.paladincorp.com.au/unix/spam/spamlart/
>
> http://njabl.org/method.html
>      # Requested testing:
>
>      * If you would like your server tested, use telnet to
> connect to port
> 2500 on rt.njabl.org from the server you want tested. Your
> server will be
> tested and you will see the results of the test as it is run.
>
> Note: If you are not sure how your system was used as an open
> relay, you
> can telnet as instructed above and the SMTP conversation will
> display in
> real time as your system is (re)tested, demonstrating the
> combination of
> to/from addresses which result in your system acting as an open relay.
>
> http://www.openrelaycheck.com/orc/checker.asp
>
> http://eyeonsecurity.org//tools/relay.html

thanks for the links.


chris.



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