Let's see... You have a private LAN, and you are hoping the public can reach
the system at that same (private, internal) IP?
Why not register an external IP for that system, then do a mapped IP address
("MIP") through your firewall?
From: [email protected] [mailto:[email protected]]
Sent: Monday, October 29, 2012 9:59 AM
To: NT System Admin Issues
Subject: RE: DNS?
You are accessing it from external though. External is working fine.
I am wanting an internal zone since my domain is imcu.local and my mail is
imcu.com...
I hope to God you can use the internal ip address from the wild.
That would send me home in a bucket.
From: Steve Ens [mailto:[email protected]]
Posted At: Monday, October 29, 2012 10:53 AM
Posted To: [email protected]<mailto:[email protected]>
Conversation: DNS?
Subject: Re: DNS?
For me it's the other way around...
On Mon, Oct 29, 2012 at 9:46 AM, [email protected]<mailto:[email protected]>
<[email protected]<mailto:[email protected]>> wrote:
Ok https://10.0.50.4/exchange works but https://mail.imcu.com/exchange fails???
From: Kennedy, Jim
[mailto:[email protected]<mailto:[email protected]>]
Posted At: Monday, October 29, 2012 10:12 AM
Posted To: [email protected]<mailto:[email protected]>
Conversation: DNS?
Subject: RE: DNS?
That looks correct. Be sure to flush dns on the machine doing the lookup.
To be sure you should first do an nslookup on the domain's MX and make sure you
get mail.imcu.com<http://mail.imcu.com>
nslookup
Set type=MX
Imcu.com
That should return mail.imcu.com<http://mail.imcu.com>
Then check the A record for mail.imcu.com<http://mail.imcu.com> and you should
be good to go.
From: [email protected]<mailto:[email protected]> [mailto:[email protected]]
Sent: Monday, October 29, 2012 10:09 AM
To: NT System Admin Issues
Subject: RE: DNS?
I'll recycle the dnscache and post my internal DNS records here to make sure I
am doing it correctly.
New Primary Zone
IMCU.COM<http://IMCU.COM>
imcu.com<http://imcu.com> A 12.145.145.177.176
imcu.com<http://imcu.com> MX mail.imcu.com<http://mail.imcu.com>
mail.imcu.com<http://mail.imcu.com> A 10.0.50.4 (((((internal address))))))
www.imcu.com<http://www.imcu.com> A 12.145.177.176<tel:12.145.177.176>
(((((external address for managed website))))))
board.imcu.com<http://board.imcu.com> A 10.0.10.21 (((((internal address))))))
Should that be all that I need?
I have vpn.imcu.com<http://vpn.imcu.com>, ftp.imcu.com<ftp://ftp.imcu.com> but
they are programmatically only accessible through the firewall so outside in
only.
After the recycle of dnscache I should be able to do an nslookup for
mail.imcu.com<http://mail.imcu.com> and get the ip 10.0.50.4 just like in my
hosts file(Which I have commented out until after this experiment works or
fails)
Thanks
From: Kennedy, Jim
[mailto:[email protected]]<mailto:[mailto:[email protected]]>
Posted At: Monday, October 29, 2012 8:18 AM
Posted To: [email protected]<mailto:[email protected]>
Conversation: DNS?
Subject: RE: DNS?
Did you also add an MX record for that domain pointing at
mail.imcu.com<http://mail.imcu.com>?
Most MTA's will fall back to the A record for the domain, so you could also put
up an A record for imcu.com<http://imcu.com>. But I wouldn't count on that.
Exchange didn't until 2007 or so.
From: [email protected]<mailto:[email protected]> [mailto:[email protected]]
Sent: Sunday, October 28, 2012 1:50 PM
To: NT System Admin Issues
Subject: DNS?
I have added a new Forward lookup zone for IMCU.COM<http://IMCU.COM> on my
local active Directory.
I have added an 'a' record for 10.0.50.4 for
mail.imcu.com<http://mail.imcu.com> in that zone.
I do not resolve the mail to the ip.
If I add that record in my hosts file I can browse it easily.
What is wrong in my DNS set up?
Server 2003 active directory.
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