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+++ prashant_dabre [linux-india] <23/10/01 04:37 -0700>:
> I have following problem when i configure the mail server as a secondary
> mail server for my domain.
> DNS entry for my domain:
> mydomain.com mail exchanger = 0 10.1.0.1
> mydomain.com mail exchanger = 10 192.168.1.1
You mean you actually set an IP address as the MX record? Never do that.
Instead do something like
mydomain.com. IN MX 10 mx1
IN MX 20 mx2
mx1 IN A 10.1.0.1
mx2 IN A 192.168.1.1
> When i configure secondary mail server on 192.168.1.1 server, I am facing
> following problem:
> When any user who is hosted on 192.168.1.1 server and uses same server for
> relaying their mails tries to send a mail to my domain ( i.e.
> [EMAIL PROTECTED]), Qmail delivers all mails for my domain locally i.e. to
> (192.168.1.1). My users on 10.1.0.1 server don't receive those mails.
In the backup MX, just put mydomain.com into rcpthosts but not into locals
or virtualdomain. That is, don't declare mydomain.com as local, instead,
just make sure your qmail on the backup MX relays for mydomain.com. That way
the sec MX accepts mail for mydomain.com, queues it and then waits till your
pri MX comes back online.
> For above scenario the conclusion is that the qmail searches for the local
> file first(rcpthost, virtualdomain) and then for the MX record. Please do
That's the default behavior, and as it should be. For example, imagine a
case where your domain's users are all on your office LAN but your server is
in the USA. That way, you'd put mydomain.com in locals / rcpthosts on your
LAN qmail server so that mail between two users on your domain is not sent to
the USA and then popped back down to you.
This is not anything specific to qmail, it is just the way any random
mailserver operates.
-srs
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