Tom Zoss FW: ORBZ (was RE: a problem - maybe not)/ Thank you

["Zoss, Thomas W" <http://www.indiana.edu/~tzoss>]

Here is the response from the "incident coordinator" here at IU. IU is on
the backbone or the Internet, and the new high speed internet, so they take
these things very seriously.

Tom

===
Thomas Zoss, Development Director
Indiana University Press, 601 N. Morton St., Bloomington, IN 47404
E-mail: http://www.indiana.edu/~tzoss, Direct Telephone 812-856-5909
50th Anniversary News at http://iupress.indiana.edu/anniversary


> -----Original Message-----
> From: Roesel, Dustin K 
> Sent: Thursday, November 08, 2001 11:34 AM
> To: Zoss, Thomas W
> Cc: ITSO Incidents
> Subject: RE: ORBZ (was RE: a problem - maybe not)
> 
> 
> Thomas,
> 
> ORBZ is an Internet vigilante group that unilaterally (and 
> without permission) tests email systems on the Internet for 
> mail-relay capabilities.  If they find 1 they add it to a 
> blacklist.  Other organizations or ISP's use the blacklist to 
> try to limit the amount of junk mail that their users get.  
> But, the definition of "misconfigured" servers (see the URL 
> reference in the bounce message) used by ORBZ is too broad 
> and includes other systems that AREN'T open-relays, but that 
> are accessible to other machines that ARE relays because of 
> what they do.  So, this ISP has chosen to use this blacklist 
> which blocks ALL email from the central mail-handling system 
> at IU-Bloomington, because a couple of small servers out on 
> campus are misconfigured.  
> 
> So, as long as this ISP uses the ORBZ blacklist, and until 
> these campus systems are repaired (which we are pursuing) and 
> retested by ORBZ, you won't be able to email to this ISP from 
> your IU email account.
> 
>  
> Dustin Roesel
> Incident Response Coordinator
> Information Technology Policy Office
> Indiana University