smtp

  1. A

    Backup Notifications - Email SMTP / STARTTLS

    Hi all, I have having a few issues with sending emails to a syslog email address I have created. I am getting an Undeliverable email bounceback due to auth being needed. Recipient address rejected: SMTP AUTH is required for users under this sender domain Is there any...
  2. B

    PMG smtp behind nginx stream

    Dear community! I am currently trying to install Proxmox Mail Gateway behind a load balancer. This is because I have limited availability of public IP addresses and want to combine things. Loadbalancer Public IP (example) 1.2.3.4 Loadbalancer internal IP: 10.0.0.1 PMG: 10.0.0.10 I am using...
  3. R

    [SOLVED] Configure proxmox to use (external) smtp server

    [EDIT] SOLVED, BY USING THIS FANTASTIC POST: https://forum.proxmox.com/threads/get-postfix-to-send-notifications-email-externally.59940/ Hey all, new to proxmox, so please forgive me my basic questions. I use proxmox on my home-server, so no professional use here. I have one thing left to...
  4. W

    Suggestion - Possibility to provide SMTP credentials during installation or in the WebUI

    Hi everyone, Longtime PVE user here! I have used Proxmox since mid 2013 for private use, and just recently deployed a couple of Enterprise ones at various companies. I realized that it would be very neat if I during installation or in the WebUI could provide SMTP credentials (SMTP-host...
  5. C

    Cannot Change Outbound External Port from 25 to 587

    Hello, I am running into some issues sending mail and was hoping someone may be able to assist. From what I can tell PMG is sending mail externally exclusively on port 25. I am trying to change it to 587 as my ISP blocks port 25. I have attached an image for your reference. Any assistance would...
  6. K

    [SOLVED] PMG acting as relay-server for hosts in networks with dynamic public IP's

    Hi I'm trying something with PMG. What I want to accomplish, is that I can sent mails from different hosts in different public networks on the internet via PMG acting as a SMTP relay. The problem is, that these hosts on the internet are in networks with dynamic public IP's. So I can't at these...
  7. J

    Action Object 'Block' returns 250 2.7.0 BLOCKED. Can this be changed?

    Hi, When we use the final action 'Block' in the rules, the following happens: Aug 27 08:27:43 VCS00080 postfix/lmtp[54042]: DF93FE1159: to=<j.branderhorst@vpo.nl>, relay=127.0.0.1[127.0.0.1]:10024, delay=4.7, delays=0.21/0/0.04/4.4, dsn=2.7.0, status=sent (250 2.7.0 BLOCKED...
  8. Z

    Sending and receiving emails issue

    Hi, I am running a mailserver (ISPConfig) in a proxmox lxc container which was working fine and stopped working recently all of a sudden. All the ports necessary are open in the proxmox host: # iptables -L | grep smtp ACCEPT tcp -- anywhere 192.168.25.110 tcp dpt:smtp...
  9. P

    Minimum configuration needed to configure e-mail alerts

    On a fresh install what is the simplest, cleanest, most beginner friendly way to setup e-mail alerts to a remote e-mail address? (assuming a single node on a home LAN)