Hi.
On Thursday 24 April 2008, Sam Varshavchik wrote:
> Define "primary MX". The MX record for the other machine must have a
> numerically lower priority (higher order priority) than the MX record for
> this machine.
Well, I think I did this step correctly.
To be precise, this is my setup:
# dig -t mx suessmost.de
[...]
;; ANSWER SECTION:
suessmost.de. 3600 IN MX 5 d.ns.schokokeks.org.
suessmost.de. 3600 IN MX 10 zucker.schokokeks.org.
[...]
zucker.schokokeks.org. 60 IN A 85.10.204.247
zucker.schokokeks.org. 3600 IN AAAA 2001:6f8:1060::1
d.ns.schokokeks.org. 3600 IN A 85.10.228.82
The entry of the priority 10 mx does not affect anything.
In the above scenario, the courier daemon listenes to port 25 only on
specified IP addresses:
# netstat -nplt|grep ':25'
tcp 0 0 78.46.69.2:25 0.0.0.0:* LISTEN 19945/couriertcpd
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 19945/couriertcpd
So the target for mail to "suessmost.de" is completely not local to courier,
as you can see from the above dns-setup.
But:
78.46.69.2 and 85.10.228.82 are configured on the same device:
# ip -4 addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
inet 78.46.69.2/32 scope global eth0
inet 85.10.228.81/29 brd 85.10.228.87 scope global eth0
inet 85.10.228.82/29 brd 85.10.228.87 scope global secondary eth0
[...]
regards, Bernd
--
Outside the killings, Washington has one of the lowest crime rates
in the country. - Mayor Marion Barry, Washington, D.C.
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