Am 04.03.2014 17:55, schrieb Mike McGinn: > I ma getting some backscatter problems lately. > I used to have the line: > reject_unknown_reverse_client_hostname, > in my smtpd_client_restrictions but I commented it out because an important > client is on a microsoft cloud and had been having problems sending mail to > us. > > Would adding the reject_unknown_reverse_client_hostname help with the > backscatter?
you do not understand what a backscatter is * you accept a message * you have no inbox * you send a bounce so just don't accept messages on the MX which you finally can't deliver - period