On Monday 14 April 2008 22:28:58 Bob Proulx wrote: > Martin Gregorie wrote: > > Arvid Ephraim Picciani wrote: > > > I'd like to discuss if returning a mail that went through a > > > mailing list, back to the sender can be described as backscatter. > > > I sent the postmaster a mail becouse they filter mails that > > > contains specific words and send a bounce to the sender. Now i'm > > > preparing to dicuss this with him/her and would like to hear your > > > opinion. > > > > I would say not. > > I would say yes but it depends. I also consider backscatter any of > those many misconfigured virus scanners that detect a virus and then > send a notification to the From: address on the message. (They > detected a virus, knew that viruses forge addresses, then sent a > message to the probably forged from address? That is very bad.) > > If the mailing list is scanning for particular words and generating a > message back to the From: address upon a hit on particular words then > it would certainly be possible to provoke such a system into > generating backscatter. If I were to forge your email address and > include these forbidden words and send it to the list software and > that list software were to throw notifications back to an uninvolved > third party who just happened to have their address forged on the > "From:" address of the mail then to that third part they are getting > back-scatter spam as part of a joe-job attack. > > On the other hand if the from address is generally trusted and this is > a valid notification that your mail that you sent isn't getting > through because of content filtering then I would not consider that > backscatter. That would just be normal useful notification. >
na. its not the ML itself but somone _on_ the ML. -- best regards/Mit freundlichen Grüßen Arvid Ephraim Picciani
