On 2011-02-02 Simon wrote: > We are receiving what appears to be backscatter from spam that is > using a valid address in the Return Path. I have included an example > of the header info from one of the spam messages below. The ?From? and > ?To? addresses just seem to be random and are not related to us in any > way. Does anyone know to block this sort of backscatter?
I wrote a backscatter filter based on smtpprox to handle this. http://www.planetcobalt.net/sdb/backscatter.shtml WFM, but AFAIK not tested outside low traffic environments. Regards Ansgar Wiechers -- "Abstractions save us time working, but they don't save us time learning." --Joel Spolsky
