On 05/14/12 14:48, Vinícius Ferrão wrote: > Thanks for your quick response Michael, > > But I don't understand what can make my server a backscatter source. > > I'm not relaying from outside, and I only accept messages from my > domain, and only from my aging sendmail+dovecot server, so no > relaying from outside. >
In that case, how are spam bots a problem? Can you post an example of a bounce, and the logs where it entered your mail system?
