Do you have any more specific instructions? I don't like the global SRS at all, it makes a lot of headache - I would be happy with changing the "MAIL FROM" to the original_recipient. (the user with forwarding takes over the email when it is forwarded and will possibly receive also the bouce message / it's correct in this scenario)
I just need to put my custom code somewhere in the chain of postfix resending the original email to the alias.goto
Can you help me how to achieve this or point me in the right direction?
Thank you!