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You are in luck due to a recent event here we had to lock down our SMTP...
thanks to chinese spammers using us as an open relay....our wonderful
firewall guy did lock everything down for us on the network (which is the
proper way). So while we should never have seen this.... we are now
double protected.... here are a few sources I found during the ensuing
resolution....
http://archive.midrange.com/midrange-l/200905/msg01078.html
http://www.redbooks.ibm.com/redbooks/pdfs/sg245954.pdf
Thanks
Bryce Martin
Programmer/Analyst I
570-546-4777
"Smith, Mike" <Mike_Smith@xxxxxxxxxxxxxxxx>
Sent by: midrange-l-bounces@xxxxxxxxxxxx
06/08/2011 08:20 AM
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Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
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Subject
SMTP open relay
We recently had an internal SVA(Security Vulnerability Accessment). I
couple of things were picked up on and I have resolved them except for
1.
Apparently SMTP Open relay was picked up and I was pointed to this site
http://www.mail-abuse.com/an_sec3rdparty.html
This site does have information related to AS400 but only goes as far as
V4R4
Does anyone know where I can find more current information about this or
how to remedy this issue? I am on V6R1.
Thanks
Mike
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