double-bounce

  1. T

    [SOLVED] double-bounce - authenticated

    When active recipient verification, PMG sends a double-bounce email to the recipient. I'm getting the errors: My email server requires me to be logged in and authenticated beforehand. How can I make the "double-bounce" email authenticated before sending?
  2. 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...
    • redjohn
    • Thread
    • bounce double-bounce pmg proxmox mail gateway recipient address lookup failed rejected releay verifyreceivers vrfy
    • Replies: 13
    • Forum: Mail Gateway: HA Cluster
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