![]() I know how I would pursue this at my own place - I would "sniff" the traffic between the Wireless router and the ISP. Thanks for the clarification - that seems to suggest something else besides IP address (ingress) filtering rules at your ISP (although that might still apply for random WiFi hotspots.) If you would be so kind, can you suggest some pointed questions I can direct at them to help resolve this issue? At least that is the impression I got from him. Maybe he didn't know? He seemed to indicate that it should work OK, and that there must be some problem with the phone or Verizon. I'm very surprised he wouldn't just come out and tell me what you just did. If there were some restrictions, one would think they would tell them that. When I talked to the tech at Time Warner, he did not offer any particular reasons why my mobile device shouldn't be able to send e-mail through my (or any other) WiFi network. It says there is a settings error, and takes me to the account setup screen. If I try sending Road Runner e-mail through a different WiFi network, I get the same results. ![]() My sons have also connected to the internet through my WiFi connection without any problems. That is, I can send (and receive) e-mail from them. I run several laptops through it with no problems at all. To your second question, (I think), I do run other devices through my home WiFi network. (Although I thought those were security settings?) If that's not what you mean, can you please explain so I can ask them about it? I do not, so I hope you will bear with me.Īs to your first question, Time Warner tells me that they do not require SSL or TLS, if that is what you mean by authentication requirements. You clearly seem to know a great deal about networks. Having said that, if you plan on doing this from random coffee shops, you should do it only if your ISP allows you to submit e-mail with TLS or SSL sockets. Seems to me that the only other thing you could try is to see if their SMTP servers will accept authenticated mail - it is likely that their mail acceptances policies will be a little more relaxed if you are providing credentials. That means that your ISP's SMTP server can detect whether or not there is any NAT taking place.Įven if you can prove that it is your ISP that is rejecting the e-mail, you will be unlikely to "change their minds" about their security policy. I sent e-mail to my own account using both the mobile net and my (home) WiFi - the only thing that I can observe from looking at the mail headers for those two different paths are that the Eris' mail app reports to the SMTP server it's own IP address - in the case of the Mobile Network, that is a public IP address, and the same as the IP address from which the mail appears to arrive from at the SMTP server - in the case of my WiFi connection, the Internal (LAN) IP address shows up in addition to the public address of my router's external IP. Does the Eris' mail app give you anything besides a generic error message when the sending fails? If I were a betting man, I would suspect your ISP, as it is somewhat unlikely that the Eris' e-mail app does any special handling based on which interface is used to route packets. Here's another question: do you have a WiFi unit that is connected to your ISP that you get the same (or different) results when you use it? (I think you indicated that was the case, but when I parse your post really carefully, I'm not 100% sure that is what you are saying.). This is more likely to be the case if the ISP doesn't require authentication for SMTP submission - do the Time Warner setup instructions not require authentication? ![]() Some ISPs will have policy filters that are meant to prevent spammers from using the ISP's servers to originate (spam) e-mail: they will gladly accept mail (SMTP) from any IP that is on their own network, but have more restrictive policies for IP addresses outside their own network. ![]()
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