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To: "Bill Schmitt (SW)" <software@schmittnet.com>
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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 03 May 2005 12:05:20 -0400
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Subject: Re: Domain Name in postfix on a Local Network
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"Bill Schmitt (SW)" <software@schmittnet.com> writes:

> I've been struggling through setting up a mail server on my home
> network, with the goal to be running an imap server. As I've indicated
> on some other related postings I've made, networking is probably my
> weakest side and I need a little help.
> 
> I have no real internet name for the box, which I call "schfrbsd"
> (named with a dot at the end in rc.conf hostname="schfrbsd."). Using
> that name, I've managed to get Samba working and a local web server,
> but when I come to mail, I get confused. The network is made up of a
> bunch of XP Home Machines, the FreeBSD 4.9 machine, and a Netgear
> Router/Firewall that also runs DHCP. I don't think it's relevant here,
> but the workgroup name I use for Samba and Windows Peer Networking is
> "olympia". The router is called schrout, if that helps.

If the router can do DNS as well as DHCP, that will help you out a lot.

> When I come to configuring postfix, there are entries for myhostname
> and mydomain. I believe myhostname should be schbsd. What do I use for
> mydomain? Where should I be naming the domain?

"myhostname" will default to whatever hostname(1) says.