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  3. How to check port status?

How to check port status?

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    • V Offline
      V Offline
      vjvanjungg
      wrote on last edited by
      #1

      Hi guys, from your experience, how can we check the status of the email ports

      The following TCP ports must be opened in the firewall for Cloudron to receive email:

      Inbound and Outbound Port 25
      Inbound Port 587 (SMTP/STARTTLS)
      Inbound Port 993 (IMAPS)
      Inbound Port 4190 (ManageSieve for email filters)

      Thank you!

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      • W Offline
        W Offline
        will
        wrote on last edited by
        #2

        So Cloudron will manage that for you on your Ubuntu setup, that the docs are referring to are your network settings. This really depends on if you are at home, running Cloudron in the cloud on a Virtual Private Server (VPS) or somewhere else.
        If you want to check your Ubuntu ports to make sure Cloudron is doing its job, check out the below link.
        https://www.cyberciti.biz/faq/unix-linux-check-if-port-is-in-use-command/

        If you'd like help with making sure your network is setup right, give us more info on where and how your Cloudron is hosted.

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        • V Offline
          V Offline
          vjvanjungg
          wrote on last edited by
          #3

          Hi, thanks for that basically my setup is on netcup VPS. I usually use PuTTy ssh to connect on windows. I ran the command in the post you sent:

          sudo lsof -i -P -n | grep LISTEN. I saw a list of nginx, docker-pr, sshd... & was able to see the numbered ports.

          Some emails I receive but some from other sites (like confirmation, pass reset email) don’t seem to go through so I wanted to check for the ports.

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          • V Offline
            V Offline
            vjvanjungg
            wrote on last edited by
            #4

            The emails I retreive through Mozilla Thunderbird. i tried test send/receive emails with gmail, yahoo, outlook, yandex—it works fine. Some info i just got is the sender uses Amazon SES for mail delivery.

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