1. X

    STARTTLS vermeiden

    Wer nach "STARTTLS vs SSL/TLS" sucht, findet ganz schnell, daß STARTTLS die unsichere Variante ist und SSL/TLS die sichere: STARTTLS: Bei Opportunistic SSL/TLS (auch bekannt als Explicit SSL/TLS) führt ein Client einen STARTTLS-Befehl aus, um eine Verbindung auf eine verschlüsselte umzustellen...
  2. T

    Is Smart Host TLS SSL supported?

    Today I am using Mail Gateway for all incoming email... to my Exchange Server. For ouotgoing smtp-mail I have an smart host via TLS SSL that I have to use. Can I use Proxmox Mail Gateway as my "Smarthost"? What version of TLS is this? Is it for outgoing, incoming or both? The SSL-certificate...
  3. D

    Proxmox API allow HTTP connections

    Hi, We need to be able to debug network communication between an apliacation using HTTPS API and proxmox host. For it we need transmission to not be encrypted - is there any way to allow plain HTTP communication?
  4. D


    Hi all, I have a client who isn't able to send to a customer. It doesn't even show up in the logs, however they can email me. Both of the domains use the same PMG server. I have the TLS enabled in Configuration --> Mail Proxy --> TLS The server is locked down with ACME Letsencrypt...
  5. O

    Q: how to enable SSL client certificate vailidation

    Hi, SSL supports client validation that requires a web client to submit a certificate that it owns (has) before a secure connection is established. Such will help to reduce the risk caused by brute force ( super admin user name is known -- root), as well as the risk caused by its default https...
  6. F

    LXC Containers invalid SSL certificates?

    Hii There, Today, I installed a little LXC container with a python script to update my DNS records when my IP changes. However, I get an error that the certificate for the website that it makes the request to (CloudFlare in this case) is invalid. In fact: ALL certificates that aren't from major...
  7. S

    Cert NOT VALIDATED: self signed certificate

    Hello, I am in the process of importing a public SSL certificate into the Mail Gateway, but Im running into some problems. 1. I made a wildcard cert request from a Microsoft IIS. 2. After sending over the request to my Public CA (Buypass) I got back a .pem file containing two certificates. 3...


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