RE: ] RE: inbound Exchange Mail Problem
- From: "John Tolmachoff" <isalist@xxxxxxxxxxxx>
- To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 2 Jan 2003 10:46:52 -0800
Ah.
That would be a good reason to have the TZO mail server receive all e-mail
from the internet, then have Exchange retrieve them from that server.
Actually, looks like they have some kind of store and forward service.
I am not familiar with TZO, so I will refer that to the Doctor. Thanks Tom.
John Tolmachoff MCSE, CSSA
IT Manager, Network Engineer
211 E. Imperial Hwy, Suite 106
Fullerton, CA 92835
562-694-4800, ext. 104
jtolmachoff@xxxxxxxxxxxxxxxx
www.reliancesoft.com <http://www.reliancesoft.com/>
-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
Sent: Thursday, January 02, 2003 10:18 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ] RE: inbound Exchange Mail Problem
http://www.ISAserver.org
Hey guys,
You usually can't run an real split DNS with TZO, because you're using
dynamic addresses and you can't manage those addresses yourself, you must
use the TZO servers.
HTH,
Tom
Thomas W Shinder
<http://www.isaserver.org/shinder> www.isaserver.org/shinder
<http://tinyurl.com/1jq1> http://tinyurl.com/1jq1
<http://tinyurl.com/1llp> http://tinyurl.com/1llp
-----Original Message-----
From: John Tolmachoff [mailto:isalist@xxxxxxxxxxxx]
Sent: Thursday, January 02, 2003 11:26 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ] RE: inbound Exchange Mail Problem
http://www.ISAserver.org
OK, please do not be offended at my responses as they may tend to be harsh.
You need to learn about DNS and hosting e-mail services. DNS is extremely
critical and is easily broken.
In the forwarders list in your DNS server properties, you need to have your
ISP DNS servers there, and nothing else. Forwards are for if your DNS server
can not resolve a request, it forwards the request some one else.
You have trouble receiving from the Internet because the public DNS record
only has one MX record, and that is pointed at your ISP server saf.tzo.com.
Unless you configure Exchange to retrieve your mail from there if that
server is set up to receive your mail, you will never get it. I was able to
send 2 test messages through that server, so it is accepting mail.
You might want to review this:
http://www.dnsreport.com/tools/dnsreport.ch?domain=jedgroup.com
You have the cable modem then the Linksys router then ISA. Loose the
Linksys. Why do you need it?
John Tolmachoff MCSE, CSSA
IT Manager, Network Engineer
211 E. Imperial Hwy, Suite 106
Fullerton, CA 92835
562-694-4800, ext. 104
jtolmachoff@xxxxxxxxxxxxxxxx
www.reliancesoft.com <http://www.reliancesoft.com/>
-----Original Message-----
From: Elliott Davidow [mailto:Elliott.Davidow@xxxxxxxxxxxx]
Sent: Thursday, January 02, 2003 9:02 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] ] RE: inbound Exchange Mail Problem
http://www.ISAserver.org
Dear John,
Since I we have just an SBS2000, we have only one DNS server, also located
on the same machine is the AD, Exchange, SQL, ISA, etc.
> You say you have split DNS. What is you external DNS server and what is
the MX record on it? The only public MX record showing
up is saf.tzo.com. All external e-mail will go to that server only. Also,
there is only one host record (A) which resolves jedgroup.com.
In our forward zone, we named jedgroup.com to the internal address (one
adapter) and www.jedgroup.com to the external address, the 2nd adapter.
> Are you having problems receiving e-mail sent from internal, Internet or
both?
We have trouble only receiving from the Internet. The Internal works fine.
> You mentioned 3 different pieces of hardware, what are they for?
(Gateway, Internet cable and Linksys router.) Can you please explain your
network setup.
>From the Cable Modem:
to the Linksys router
to the first (www.jedgroup.com) adapter on the SBS2000 Server
then the internal network adapter to the switch then to the workstations.
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