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Comcast email doesn't load on iPhones when connected to network - works on PCs with same settings

Scheduled Pinned Locked Moved General pfSense Questions
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  • S
    stephenw10 Netgate Administrator
    last edited by Sep 3, 2024, 12:04 PM

    Are the iphones trying to use IPv6 perhaps?

    A 1 Reply Last reply Sep 3, 2024, 3:17 PM Reply Quote 0
    • G
      Gertjan @AWDOnly
      last edited by Gertjan Sep 3, 2024, 12:49 PM Sep 3, 2024, 12:48 PM

      @AWDOnly said in Comcast email doesn't load on iPhones when connected to network - works on PCs with same settings:

      Comcast email doesn't work when connected to home network (pfsense - same network as PCs)

      This includes / excludes PC ? Other devices ? iPhones only ?

      @AWDOnly said in Comcast email doesn't load on iPhones when connected to network - works on PCs with same settings:

      IPhones connected to pfsense network attempt to get comcast email, but it times out then gives this message: "Cannot Get Mail - Comcast is currently unavailable."

      Only iphones.

      As you might suspect, there is no iPhone detection in pfSense.
      More probably, this setting is set (green) :

      1a96b192-6489-4697-a4f0-21cefdb67eef-image.png

      so the MAC will be a random MAC, pfSEnse really can't know it deals with an iThing.

      IMHO, Comcast is a very big ISP. I presume some of their clients use pfSense and have iPhones (iPads).
      Comcast - iPhones - pfSense => mail doesn't work ... that would not go silent.

      So, what I think : re check your iphone email pop and/or imap settings.
      With an iPhone (iOS), you can not validate mail settings if something is wrong == if the service can't be accessed = a succeeded login.

      Check the URL.
      Most probably : select TLS.
      So the port for POP it will be 995, but check with comcat what their TLS pop port is.
      IMAP will be 993, but check with comcat what their TLS pop port is.
      Same thing for smtp btw. 587 ? 445 ?

      .

      No "help me" PM's please. Use the forum, the community will thank you.
      Edit : and where are the logs ??

      A 1 Reply Last reply Sep 3, 2024, 3:22 PM Reply Quote 0
      • A
        AWDOnly @stephenw10
        last edited by Sep 3, 2024, 3:17 PM

        @stephenw10, I don't think so. iPhones work fine on the network for internet access and the other 2 email accounts, and I believe I have IPv6 disabled in pfsense.

        1 Reply Last reply Reply Quote 0
        • A
          AWDOnly @Gertjan
          last edited by Sep 3, 2024, 3:22 PM

          @Gertjan, the iphones are on the same pfsense network as the PCs that work. I don't have any android phones to try so my experience here is limited to the iPhone. I did try turning off the private wi-fi address as you suggested. No change - I still can't access comcast email when connected to home network but can access internet and other 2 emails work fine. The email is set up correctly as well since it works fine when disconnected from home network - connecting through 5G. Thanks for the suggestions.

          1 Reply Last reply Reply Quote 0
          • S
            stephenw10 Netgate Administrator
            last edited by Sep 3, 2024, 3:47 PM

            A partially configured v6 address will be used by some OSs and not others. So if that one mail address resolves to both v4 and v6 addresses that may explain the difference.

            A 1 Reply Last reply Sep 3, 2024, 7:17 PM Reply Quote 0
            • A
              AWDOnly @stephenw10
              last edited by Sep 3, 2024, 7:17 PM

              @stephenw10 - Thanks for your thoughts. I'll try to turn v6 back on when I get back home this evening and see if that resolves the issue.

              A 1 Reply Last reply Sep 4, 2024, 1:34 AM Reply Quote 1
              • S
                stephenw10 Netgate Administrator
                last edited by Sep 3, 2024, 11:18 PM

                It might not be that but we have seen that be an issue that can present as client types behaving differently. So worth checking.

                1 Reply Last reply Reply Quote 0
                • A
                  AWDOnly
                  last edited by Sep 4, 2024, 1:24 AM

                  Hi all - iPhones do collect emails on other wi-fi networks. I've also tried turning off "Private Wi-Fi Address" and "Limit IP Adress Tracking" on the iPhone settings. Neither made a difference.

                  1 Reply Last reply Reply Quote 0
                  • S
                    stephenw10 Netgate Administrator
                    last edited by Sep 4, 2024, 1:34 AM

                    Ultimately try running a pcap on pfSense for the IP of the phone then try to check the email and see what it's sending.

                    A 1 Reply Last reply Sep 4, 2024, 1:37 AM Reply Quote 0
                    • A
                      AWDOnly @AWDOnly
                      last edited by Sep 4, 2024, 1:34 AM

                      @AWDOnly said in Comcast email doesn't load on iPhones when connected to network - works on PCs with same settings:

                      @stephenw10 - Thanks for your thoughts. I'll try to turn v6 back on when I get back home this evening and see if that resolves the issue.

                      Turning IPv6 on made no difference.

                      1 Reply Last reply Reply Quote 0
                      • A
                        AWDOnly @stephenw10
                        last edited by Sep 4, 2024, 1:37 AM

                        @stephenw10 said in Comcast email doesn't load on iPhones when connected to network - works on PCs with same settings:

                        Ultimately try running a pcap on pfSense for the IP of the phone then try to check the email and see what it's sending.

                        I'll try - I haven't actually used pcap previously so will have to figure it out.

                        1 Reply Last reply Reply Quote 0
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