vrfy

  1. R

    Problem with Verify Receivers and bounce message / Recipient address lookup failed

    Hello, I use proxmox mail gateway as a relay server. The final mail server is a postfix server. I enabled the verify receivers and set it to Yes (550) on PMG. I tested with some test e-mail: 550 5.1.1 <unknown@mydomain.de>: Recipient address rejected: undeliverable address: Recipient address...