1. N

    Cert from other Host (NGINX Proxy Manager)

    Hey guys, I was able to setup PMG yesterday and my mailcow behind it. Right now I run into the following issue that I get a reject on a receiving server ehlo/helo domain. F.e. my PMG got the hostname mailgateway.internal.local right now. My 1st: Is it just enough to change the hostname in...
  2. S

    [SOLVED] Change HELO hostname

    Hello, I have a question regarding Helo checks. I would like to change our Helo name to something different then our hostname of proxmox. The reason is that some mailservers who force Helo check are blocking our e-mails currently they see our internal hostname of proxmox server. In...


The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get yours easily in our online shop.

Buy now!