Date: Thu, 21 Sep 2006 16:32:52 -0700 From: Chuck Swiger <cswiger@mac.com> To: Dave Kingsley <front_fan@yahoo.com> Cc: freebsd-isp@freebsd.org Subject: Re: DNS - Postfix Message-ID: <EAE1A101-F3E2-45E9-9058-3219D8DEF2FD@mac.com> In-Reply-To: <20060921232238.12681.qmail@web58411.mail.re3.yahoo.com> References: <20060921232238.12681.qmail@web58411.mail.re3.yahoo.com>
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On Sep 21, 2006, at 4:22 PM, Dave Kingsley wrote: > Our DNS server coughed a major hairball and our > postfix based email setup suddenly stopped working. [ ... ] > Our problem seemd to be centered around MX records.?! > > What do I need to post (file chuncks, etc.) to aid getting help? The mailserver must have access to the DNS, or it will need to forward all email to a mail relay which does have working DNS. It is likely that if you add the IP address of a working nameserver to /etc/ resolv.conf on your mailserver, it will become happy again until you can fix your own DNS. Otherwise, you can change the "relayhost" setting /usr/local/etc/ postfix/main.cf: # In the case of SMTP, specify a domain, host, host:port, [host]:port, # [address] or [address]:port; the form [host] turns off MX lookups. # # If you're connected via UUCP, see also the default_transport parameter. # #relayhost = $mydomain #relayhost = [gateway.my.domain] #relayhost = [mailserver.isp.tld] Uncomment the last and replace the stuff within the square brackets with the IP address of your ISP's mailserver... -- -Chuck
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