exchange 2019

  1. M

    Custom Port Forwarding

    Hello everyone! Help me to configure port forwarding from WAN (IP to Exchange (IP using port 993 as an example. Through ufw configured rule: ufw allow 993/tcp Then in the file /etc/ufw/before.rules, before the filter section I added: *nat :PREROUTING ACCEPT [0:0] -A...
  2. M

    PMG + Exchange 2019 - out of office reply (SPF + DMARC reject policy)

    We have an internal Exchange Server which receives an sends mails through pmg. LDAP is not set up, so its only a gateway. All is working as expected so far. We have an DMARC and an SPF entry setup which tells to reject non conform mail senders. Here comes the problem, were I want to find a...
  3. S

    New install + New Exch2019 issue relaying mail

    Hi, Not sure this is a PMG issue but, was hoping that someone may of had a similar issue or can assist? I'm getting this error from exchange in PMG for incoming mail: Jul 16 20:23:15 ad postfix/smtp[2971]: E4F5B2095C: to=<Email@address>, relay=[]:25, delay=0.08...
  4. M

    PMG 8 x Exchange 2019 trouble

    Hi everyone :) ! I'm using pmg version 8 and Exchange 2019 u12 version. This is my infrastructure information. MX -> -> A -> -> A -> -> My machine is under hyper-v, all with public ip. my forest is I...
  5. W

    Mails released from quarantine fail with 550 5.7.1 Error

    We receive the error below when attempting to release an email from quarantine. Can someone please assist with this? Reporting-MTA: dns; mgw.domain.local X-Proxmox-Queue-ID: 9E07BB61542 X-Proxmox-Sender: rfc822; postmaster@mgw.domain.local Arrival-Date: Wed, 8 Jun 2022 12:41:29 +0300 (EAT)...
  6. W

    Setting up PMG in Exchange 2019 Environment

    Could someone please guide me on how to set up PMG in an Exchange 2019 Environment and still have services such as OWA/EWS and ActiveSync still working?
  7. S

    [SOLVED] Port ändern unter Exchange 2019 geht nicht :(

    Hallo, ich habe mir das Mail Gateway installiert und eingehende Mails werden auch super gescannt. Jetzt möchte ich aber auch die ausgehenden Mails über das Gateway senden. Dafür muss man ja den Port am Exchange Server auf 26 ändern. Also kurz mal PS auf dem Exchange gestartet und dann musste...


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!