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Need help with Exchange server 2000.

J

jsbush

Diamond Member
Exchange works great internal network, but if I try to send an email to my exchange server from hotmail or another email service I get the following error message;

This is an automatically generated Delivery Status Notification.

Delivery to the following recipients failed.

jason@dittohost.com





Reporting-MTA: dns;ditto.dittohost.com
Received-From-MTA: dns;hotmail.com
Arrival-Date: Sun, 30 Dec 2001 14:44:12 -0500

Final-Recipient: rfc822;jason@dittohost.com
Action: failed
Status: 5.0.0

Anyone know what the problem might be?
 
If you open up the user Jason within the Exchange manager, there's a way to look at all the addresses for that person, including SMTP (Internet e-mail). It probably says jason_jones@whatever.com. You either need to change it to be jason@whatever.com or change the Internet e-mail address that people use to the one that matches.

- G
 


<< If you open up the user Jason within the Exchange manager, there's a way to look at all the addresses for that person, including SMTP (Internet e-mail). It probably says jason_jones@whatever.com. You either need to change it to be jason@whatever.com or change the Internet e-mail address that people use to the one that matches.

- G >>



Or add an alias. Main SMTP address will be bold (that's what will appear in FROM: line), but you can add several additional SMTP addresses. So, everything that comes to jason@w.com(main) or jason_jones@w.com will got to inbox of jason@w.com.
 
It gives me the same error message for all the users. Also gives me the error message if I use the ip (ex. jason@1.2.3.4).

I checked the email addresses, and they are correct (jason@dittohost.com, administrator@dittohost.com).

Thing it, I can send and recieve email if it is sent with a dittohost email address (I didn't try it with someone from the out side, but it works within my network).

DNS seems to be setup correctly as it works fine on my primary server and teh settings are the same.

I have no idea what FQDN is so I don't know if it's register, but shouldn't it be irrelevent? (dittohost.com domain works fine on my primary server.)
 
Have you tried to telnet to your Exchange server from outside your local network on port 25 and see if it responds to MAIL commands properly? Try to connect using both the external IP address for the server, and the EXTERNAL FQDN of the server (like: mail.dittohost.com). Q251581 in M$' KnowledgeBase has a sample command session you could use to test your box.

This will help narrow down whether it is a connectivity issue, or a DNS issue.

Quite frankly, the possible causes of this type of error are numerous. Info about your setup (connection, security/firewall devices, proxies) may be needed to fully troubleshoot and resolve this error. If you are uncomfortable posting such info to the thread, feel free to PM a member of the forum that you trust about your setup.

BTW: The external FQDN of the mail server should match what is listed in your MX records for that particular mail host. And, your MX records are good items to double-check for this kind of issue.

BTW2: The fact that your mail is working internally is good for proving that the Exchange server is actually functioning, but it has little bearing beyond that fact when troubleshooting external mail delivery issues.
 
Well I don't know about that telnet thing.
But if connect using a dail up connection, and use outlook express, I can't send an email from my dittohost account to my hotmail account. It can't find the SMTP server.

So I think thats my problem. The server doesn't except SMTP connections on a certain subnet.
 
SMTP should only accept mail relaying through it from a certain subnet, but should allow delivery from anywhere on the net. Did you make sure your MX record points to mail.yourserver.com in DNS? and you have SMTP names in the user's Exchange configuration set to SMTP:user@hostname.com, right? telnet to port 25 and try 'vrfy username' and/or 'expn username' and see if it returns any data.
 
u have that domain name registered and what kind of connection to internet u have, u have static public IP' s?
 
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