Another tool could be to add selective Blacklist queries just for null <> and Postmaster senders and then check these against a backscatter blacklist. For example http://www.backscatterer.org/
Disadvantage: this is more resource intensive than an inbuilt check against message IDs Micheal Espinola Jr (mobile) wrote: > > I would like to know/see if it is possible to implement a Message-ID > tracking form of NDR authentication, to validate if an incoming NDR is > really in response to a recently outbound message. I think this could go > a long way to help deter backscatter. > > Any thoughts on this? If not Message-ID based, is there something else > that would be appropriate? I believe Ironport is doing something > similar with their hardware devices. > > TIA for comments... > > > > ------------------------------------------------------------------------- > Check out the new SourceForge.net Marketplace. > It's the best place to buy or sell services for > just about anything Open Source. > http://sourceforge.net/services/buy/index.php > _______________________________________________ > Assp-test mailing list > Assp-test@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/assp-test > > -- View this message in context: http://www.nabble.com/Feature-request%3A-Message-ID-tracking-tp17674333p17707990.html Sent from the assp-test mailing list archive at Nabble.com. ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Assp-test mailing list Assp-test@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/assp-test