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9.0

Trouble with Exchange 2003 on Small Business Server 2003 Standard

Asked by mcioffi209 in SBS Small Business Server

Tags: Exchange 2003

Hi,
I have been looking around quite a bit to see if I can find a solution to the problem I'm having and I cannot seem to find one.  The issue is that I'm getting lots of NDR records in the event viewer and I cannot seem to resolve them.  They occur for several reasons, one of which I can detail below, the others I'm not sure why they are happening.

One cause is an application called ActiveFAX sends out faxes via email and uses smtp to do it.  These are failing sometimes with the below error.
ERROR:
This is an SMTP protocol log for virtual server ID 1, connection #4178. The client at "192.168.0.233" sent a "rcpt" command, and the SMTP server responded with "550 5.7.1 Unable to relay for user@abc123.com  ". The full command sent was "rcpt TO:<user@abc123.com>".  This will probably cause the connection to fail.

Now one thing that jumps out at me is the IP address in the error, that is the Firewall internal address.  So I'm not sure why that happens.  The other interesting thing is that I can send the same message from Outlook to the same address and it is fine, also I can the same message to different addresses and they go out fine.  Finally I changed the from email address in the outgoing message from ActiveFAX and it worked.

Overall I think I have a DNS or secondary NIC problem going on here, or something setup wrong when I gave the information to the ISP for the MX record.  I'm not that strong with Exchange, We purchased Small Business Server and fired it up.  

I think what I need is someone to help me test the install to ensure that it is working properly.

Here is another error that is in the event viewer if it helps.
This is an SMTP protocol log for virtual server ID 1, connection #4183. The client at "X.X.X.X" sent a "xexch50" command, and the SMTP server responded with "504 Need to authenticate first  ". The full command sent was "xexch50 2040 2".  This will probably cause the connection to fail.

I have given this 500 points because I need to resolve this and I expect that it will take a little bit of time to do it and will involve lots of back and forth.  I would love to have an experienced exchange expert walk me through the proper configuration and troubleshooting they use.

Thanks.
[+][-]01/16/09 03:53 AM, ID: 23392002Accepted Solution

Your question has an Asker Certified™ answer! mcioffi209 verified that this solution worked for them--which means it will likely work for you, too. Click to view the solution free for 30-days now.

About this solution

Zone: SBS Small Business Server
Tags: Exchange 2003
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Solution Provided By: olafdc
Participating Experts: 1
Solution Grade: B
 
 
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[+][-]01/16/09 04:32 AM, ID: 23392171Author Comment

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