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"#5.5.0 smtp;550 Invalid domain" Message

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"#5.5.0 smtp;550 Invalid domain" Message - 13.Jul.2004 6:16:00 PM   
jeremyweisser

 

Posts: 1
Joined: 13.Jul.2004
From: NY
Status: offline
Hello,

I am experiencing a wierd problem as of late. When my users send outgoing messages to differnet domains occasionally they receive the following message back from the system administrator.

"Your message did not reach some or all of the intended recipients.

Subject: Test Message
Sent: 7/13/2004 8:58 AM

The following recipient(s) could not be reached:

Jeremy Weisser on 7/13/2004 8:58 AM
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<myexchangeserver.com #5.5.0 smtp;550 Invalid domain myexchangeserver.com>"

I am running in a multi-exchange environment with 3 exchange servers, 2 on the west coast and 1 on the east coast.

The two east coast servers are running Windows 2000 SP4\Exchange 2000 SP3 and Windows 2003\Exchange 2003 SP1, respectively. The west coast server is running Windows 2000 SP4 and Exchange 2000 SP3.

The servers are all domain controllers and are all AD integrated DNS servers.

The message only appears to users on the west coast and again is not happening consistently. The wierdest part about the message is that it is saying that my domain is invalid. It would make a lot more sense to me if this was happening with external domains but it is completely internal.

Any ideas as to what could be happening here?

Thanks in advance,
JW
Post #: 1
RE: "#5.5.0 smtp;550 Invalid domain" Message - 19.Jul.2004 5:25:00 PM   
DaDougInc

 

Posts: 845
Joined: 17.May2002
From: NC
Status: offline
Check your mail flow configuration.
Do you have SMTP connectors or are all servers able to send internet mail?

Verify that your SMTP Virtual Servers are running in default configuration - no changes!

Ensure that you have the correct SMTP virtual server name for each server listed in DNS as a A record and that there are no MX records on your internal DNS server.

Perform a message track of each message
Verify correct configuration of the Recipient Policy
Disable all 3rd party products while troubleshooting

Hope this helps you get started...

(in reply to jeremyweisser)
Post #: 2

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