Hi list, I’m sorry that this question has been discussed before. I am aware of the following posts and threads:
http://www.irbs.net/internet/postfix/0609/0648.html (Backscatter from Delivered-To headers) http://www.irbs.net/internet/postfix/0609/0487.html (Preventing backscatter with forwarding) I cannot quite follow the second one, because in the archives, the mail adresses are missing and I fail to guess the correct interaction of alias and virtual in that case and cannot judge whether that is at all relevant to my case. I’m currently aiming for a simple solution, although the last solution from the first thread (using different header filters for incoming and outgoing and salt the Delivered-To headers) really tickes my nerd interest, I would like to rather see this fixed soon. Not to mention that I have no idea how to properly set up different cleanups for incoming and outgoing. Considering that these threads are now several years old, I wonder whether there are new solutions to this problem? Is there a way to force bounces from Mail Forwarding Loops to go to a different address than the sender address or some other solution to prevent this backscatter? best regards, Jonas
