jan gestre wrote:
I don't have anymore the logs from Postfix and I'm not sure if it really is a backscatter problem, all I have right now is the following:
The message snippet is of no use. Can you post the full headers? That and a corresponding log entry should clear things up.
From what you've said so far it sounds more likely to be a forged return-path/from, in which case adding and checking against spf records would solve your issue.
--kj
