RE: [Xen-users] dumU unable receiving mails

[Stephen Liu <satimis@xxxxxxxxx>]

Hi Joseph,


--- "Joseph L. Casale" <JCasale@xxxxxxxxxxxxxxxxx> wrote:

> >Port 25 of "External IP" forward to local IP of xen3.satimis.com
> 
> <VBG>, I wanted to know what the actual IP is, you stated "its"
> forwarded.
> What is it?


220.232.213.178


> >> It looks like you have 3 mx records, does the highest priority
> >> resolve to the forwarded IP of your xen server? Where do the other
> >> two go?
> >
> >Sorry I don't follow.  Please explain in more detail.  Thanks.
> 
> Well, your DNS records show 3 smtp servers designated to receive
> for your domain. I don't know your topology, and this can be fairly
> involved. Lets make sure your xen3 instance has the one with highest
> priority (10)
> 
> MX preference = 10, mail exchanger = mail.satimis.com
> MX preference = 20, mail exchanger = smtp.secureserver.net
> MX preference = 30, mail exchanger = mailstore1.secureserver.net


mail.satimis.com was the hostname of another mail server which was also
run for testing.  It is not running now.

 
> Now what is the external IP on your xen server, I hope for now it
> is 220.232.213.178?
> 
> >> What MTA are you using? Does it know its being nat'ed?
> >
> >Postfix and dovecot.  Where I have to check?
> 
> Ok, to start you need to spend time here: http://www.postfix.com :)
> 
> Proxy info:
> http://www.postfix.com/postconf.5.html#proxy_interfaces
> Banner info:
> http://www.postfix.com/postconf.5.html#myhostname
> 
> There are many more factors here. How do the other two smtp servers
> route mail back to your primary, or can all of them reach your
> mailbox
> server? Lots to figure out... Join postfix users, MANY bright people
> on that list.


Noted with thanks


B.R.
Stephen L

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