port 25

  1. M

    Cannot outbound port 25 - others are working

    Hello Forum, I just set up my first Proxmox environment with some VMs and CT. Working good so far. Now I want to reach out my external mail system to forward internal mails to external. But connectiong to external mail system does not work with port 25. I can reach out every other port like...
  2. R

    Spam Received even after outgoing port 25 blocked

    Hello my clients are hosting mail servers and I want to block all outgoing emails for all my VM so i made firewall settings, at datacenter level, node level and security group and enabled it for all VMs For Datacenter its as follows For Node Level it is as follows For VM Level it is as...
  3. 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...
Top Bottom