Chris Low wrote:
EXTERN_TCP_PORTS="0/0_25"
to allow anyone on the internet to send you e-mail, and you'll probably
have a lot better luck.
Did it and still not receiving. Also tried Mike's suggestion to remove the
$ from INTERN_SERVERS="tcp_$192.168.1.2_smtp_10.10.10.200_smtp". Backed up
the firewall and rebooted, still nothing.
output from netstat -nr still looks the same
Um...not quite the same. This time you have packets matching your rule
allowing inbound mail:
19 936 ACCEPT tcp ------ 0xFF
0x00 eth0 0.0
.0.0/0 0.0.0.0/0 * -> 25
From the information you posted, I can't tell if your port-forwarding
is setup correctly. Please run "net ipfilter list", which outputs
port-forwarding information after the ipchains info.
It was only on for about an hour--just long enough to set everything up and
test it out. Since the server is live I can only make changes to it when
the office is empty or it'll disrupt the workflow.
What does it mean to update the MX records?
MX records are the DNS entries that tell remote systems how to contact
your mail server (as opposed to A records, which match system names to
IP addresses). If you don't have an MX record tying your domain name to
the IP of your mail server, you won't get mail from the internet at
large. Note that this doesn't mean you won't get mail...your MX records
could point somewhere else (like your ISP or the registrar for your
domain name), and that system could forward mail to you.
This looks OK, assuming 208.57.0.10 is your ISP's DNS server. The
domain-name-servers option should be 10.10.10.254 if you want to use
DNSCache. Note that you are only providing one DNS server to your dhcp
clients, while in the network.conf settings above you have a primary and
secondary entry. If the 208.57.0.10 machine is not working properly, your
firewall (and any other systems with both DNS IP's) will automatically use
the other system, while machines configured via dhcp will simply fail.
I'm assuming this is a space separated list so to add the secondary DNS
server it'll be something like:
option domain-name-servers 208.57.0.10 208.57.0.11;
Actally, you need to seperate entries with commas:
option domain-name-servers 208.57.0.10, 208.57.0.11;
See the dhcpd man pages for details:
http://leaf.steinkuehler.net/devel/cstein/Packages/dhcpd.htm
http://leaf.steinkuehler.net/devel/cstein/Packages/man/dhcpd.conf.5.man.htm
http://leaf.steinkuehler.net/devel/cstein/Packages/man/dhcp-options.5.man.htm
--
Charles Steinkuehler
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