> On Sat, 1 Aug 2009 10:02:54 -0400 > "Terry Carmen" <te...@cnysupport.com> wrote: > >> >> > I have received many emails in the last hour which were >> > undeliverable, NOT sent by me. >> > It seems someone is forging usernames in my domain >> > Real-World-Systems.com as the "from:" and the "return-path:" . >> > >> > Received-From-MTA: dns;triband-mum-59.184.51.13.mtnl.net.in >> > >> > >> > I have sent a message to ab...@mntl.net.in and helpd...@mtnl.net.in >> > but no response. >> > >> > How does an MTA get blacklisted?? >> >> You'll probably never get a response, and even if you do, nothing >> will happen. >> >> The easiest thing to do is configure your mail server use an RBL, >> which would have stopped this before you received it. > > No it wouldn't. triband-mum-59.184.51.13.mtnl.net.in is almost > certainly an infected PC, and the backscatter is coming from > third-party servers.
The IP address is listed on almost two dozen RBLs. Terry'