telnet on port 25 works fine on both servers.
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Exchange 2003 routing group problem
I have the following situation.
Two Exchange 2003 Servers in one AD with two subnets (seperate locations) linked by VPN.
Server A: email @a.com and @b.com
Server B: email @c.com
Administrative group with two routing groups, each with a SMTP connector and a Routing Group connector. Each server has two SMTP connectors: port 25 and port 26. Port 26 is used for external e-mail: the cisco router maps port 25 (external) to port 26 internal so that smtp communiction (over port 25) between the two servers is possible.
Everything worked fine until somehow something was changed: internal e-mail between site A and site B isn't possible anymore! (delivery status notfication e-mails)
Hope someone can help me to fix this problem.
Thanks in advance!
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Answers
Ok
I believe you actually dropped an email via telnet right ?
Enable message tracking.
Turn up logging on transport to maximum.
Monitor the message tracking and the event logs.
See if you find s'thing there.
If you can telnet and spoof and email, then the exchange servers should be able to communicate.
Which queue are the messages stuck in ?
Thanks
Well if the mails are not making through, they must be stuck in the queue. What queue are they stuck in ?
Under servers, look into the "Queues" in your Exchange System Manager to look at that. What did message tracking tell you?
(let me know if you don't know about message tracking).
Also, don't just telnet , spoof a real mail:
e.g:
telnet <servername> 25
ehlo
mail from: <some@some.com>
rcpt to: <an internal email address you are testing@yourDomain.com>
data
This is a test email from telnet.
.
.
Now you should be able to get this in the inbox.
Hope this helps.
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by: champ555Posted on 2006-02-12 at 13:12:54ID: 15936707
Email communication between exchange servers works via SMTP.
try to telnet the other server and see if you get the banner. (either on port 25 or 26) accournding to your setup.
if you cannot telnet, look into the firewall & router.
Let me know what you find.