smtp transaction time

  1. R

    [SOLVED] Cluster slow SMTP Connection time

    Hello, My Proxmox Mailgateway Cluster is now working fine. But sometimes I have bad SMTP Connection times, tested on mxtoolbox.com. But only on the second Proxmox Mailgateway Server. I disable Greylisting. Any ideas? SMTP Connection Time 6.944 seconds - Warning on Connection time SMTP...