Sendmail not accepting connections on port 25

[Bill Tillman]

--- On Thu, 7/21/11, Bernt Hansson <bah at bananmonarki.se> wrote:


From: Bernt Hansson <bah at bananmonarki.se>
Subject: Re: Sendmail not accepting connections on port 25
To: "ssgriffonuser" <ssgriffonuser at gmail.com>
Cc: freebsd-questions at freebsd.org
Date: Thursday, July 21, 2011, 3:31 AM


2011-07-20 06:24, ssgriffonuser skrev:

> I still can't telnet in from an external network.

To me, that sounds like your external network might be blocking outgoing traffic on port 25.

Can you connect to any other mailservers on port 25?

%telnet gmail-smtp-in.l.google.com 25
Trying 74.125.77.27...
telnet: connect to address 74.125.77.27: Connection refused
telnet: Unable to connect to remote host

My isp is blocking outgoing traffic on port 25.
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I am not surprised. Like in my previous reply, every ISP I've ever worked with blocks ports 25. They have this done by their 3rd tier techs because when you call them for help they will be clueless as to what you're talking about. The thing I've found with Comcast is they do what's called black listing your IP address with some service. They will claim that your server has been sending spam. When it actuality all they are doing is forcing you to go to their sales people and pay extra if you want to run a mail server on your LAN. Gone are the days when I could run my own mailserver at home.