From owner-freebsd-questions@FreeBSD.ORG Sun Mar 11 16:20:05 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 1C1AE16A40A for ; Sun, 11 Mar 2007 16:20:05 +0000 (UTC) (envelope-from josh@tcbug.org) Received: from mail.applied-epistemics.com (mail.applied-epistemics.com [65.39.221.26]) by mx1.freebsd.org (Postfix) with ESMTP id C2AFF13C484 for ; Sun, 11 Mar 2007 16:20:04 +0000 (UTC) (envelope-from josh@tcbug.org) Received: from homebase (c-67-190-235-215.hsd1.mn.comcast.net [67.190.235.215]) by mail.applied-epistemics.com (Postfix) with ESMTP id 09021633007; Sun, 11 Mar 2007 11:53:24 -0400 (EDT) From: Josh Paetzel To: freebsd-questions@freebsd.org Date: Sun, 11 Mar 2007 09:53:23 -0600 User-Agent: KMail/1.9.5 References: <6660f1280703110845w52b8babapf2814da0ac6424ae@mail.gmail.com> In-Reply-To: <6660f1280703110845w52b8babapf2814da0ac6424ae@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200703111053.23850.josh@tcbug.org> Cc: Ed Zwart Subject: Re: getting mail to work X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Mar 2007 16:20:05 -0000 On Sunday 11 March 2007 10:45, Ed Zwart wrote: > I use freebsd on an older computer in my home network to run a > webserver, a few web apps (bugzilla, tikiwiki), and samba. I just > installed postfix via the ports collection so I can use the mail > functionality of bugzilla. > > Bugzilla does its part correctly; I can see the message in the > mailq, but all messages time out. From the postfix site, I learned > about the MTU black hole issue > (http://www.postfix.org/faq.html#timeouts). After spending some > time messing both with my bsd machine's hostname and my home > network gateway's settings (domain name and mtu size), I got > nowhere. > > But then I read somewhere (sorry, I don't have the reference) that > the handshake that goes on between my MTA and the destination > machine includes a check that I'm not spoofing a domain that I > don't control. Makes sense! So, I figured that I don't have an MTU > problem at all, but a hostname/domain name problem. > > What I'm a little weak on is understanding is this... > > I own my_domain.com. I've paid a hoster for the last couple years, > but that's ending in a week or so. Meanwhile, I've used dyndns to > point foo.homedns.org to my IP. > > Originally, I had left the gateway's domain as the default > (something based on my isp's domain), and set the bsd machine's > hostname to foo.my_domain.com. But that's why mail was failing (I > think) because dns was reporting that my_domain.com was not the > same as my IP. Is this correct? > > Also, what are valid entries then for hostname then? Anything I > want, as long as it's not some domain already known in the dns? > Does it matter if I change my "domain" name on my LAN router? > > Finally, what I'd really like to do is just manage all this myself. > I'm not providing any services to anyone but myself. (I don't have > users, and don't need to receive mail.) My plan had been to pay > dyndns to handle pointing to my_domain.com for me, but now I'm > wondering if I can't just do that too. So, last question: does > setting up dns on my bsd box mean I can propogate my IP for > my_domain.com myself? > > Thanks in advance for help! > > e. Your ISP is probably just blocking outgoing connections to port 25...set postfix to use their smtp servers as a relayhost. -- Thanks, Josh Paetzel