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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: ISP wants to stop outgoing web based spam
> I've had a a situation in the past that required this same application. > I ended up using amavisd-new with custom views for incoming and outgoing > mail. For spam originating from inside, it was dropped completely, for > spam originating from the outside, subject was rewritten. Can you elaborate on the situation off-list? It seems to me that stopping outbound webmail spam is something that would not be profitable for an ISP. I am wondering what the ISP's motivation is to solve this problem. Regards, Ken > > Hope this helps. > -Michael > > -- > Michael Nicks > Network Engineer > KanREN > e: [email protected] > o: +1-785-856-9800 x221 > m: +1-913-378-6516 > > Hank Nussbacher wrote: > > > >Back in 2002 I asked if anyone had a solution to block or rate limit > >outgoing web based spam. Nothing came about from that thread. I have an > >ISP that *wants* to stop the outgoing spam on an automatic basis and be > >a good netizen. I would have hoped that 4 years later there would be > >some technical solution from some hungry startup. Perhaps I have missed > >it. What I have found so far is: > > > >Detecting Outgoing Spam and Mail Bombing > >http://www.brettglass.com/spam/paper.html > >SMTP based mitigation - thing on HTTP/HTTPS > > > >Stopping Outgoing Spam > >http://research.microsoft.com/~joshuago/outgoingspam-final-submit.pdf > >Research paper - nothing practical > > > >Throttling Outgoing SPAM for Webmail Services > >http://www.ceas.cc/papers-2005/164.pdf > >Research paper - nothing practical > > > >ISPs look inward to stop spam - Network World > >http://www.networkworld.com/news/2004/071204carrispspam.html > >Bottom line - no solution > > > >So I am trying once again. Hopefully someone has some magic dust > >this time around. > > > >Thanks, > >Hank Nussbacher > >http://www.interall.co.il > > -- MailChannels: Reliable Email Delivery (TM) | http://mailchannels.com -- Suite 203, 910 Richards St. Vancouver, BC, V6B 3C1, Canada Direct: +1-604-729-1741
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