Hello, I'm using Proxmox Mail Gateway and i have a problem, i need a rewriting address. Im using the postfix for this. I just need to add in main.cf the line : Code: recipient_canonical_maps = hash:/etc/postfix/recipient_canonical and create the file Code: /etc/postfix/recipient_canonical In this files i put my rewriting like : Code: firstname.lastname@example.org email@example.com Actually its work very well, BUT When i restart Proxmox, the line i've add in main.cf actually drop. Any idea ? ( /etc/postfix/recipient_canonical stay here its actually just the line in main.cf who's delete at restart. ) Thanks.