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Message undeliverable

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8 replies

by mkabus

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On our Exchange 5.5 server that runs a small company we receive the following message when sending emails to some companies not all.

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

Subject: Test message from XYX Company
Sent: 7/17/2002 2:29 PM

The following recipient(s) could not be reached:

'c.rosillo@XYZcompany.com' on 7/17/2002 2:29 PM
The recipient name is not recognized
The MTS-ID of the original message is: c=US;a= ;p=XYZCOMPANY.c;l=XYZCOMPANY-020717182842Z-12"

Any suggestions would be greatly appreciated.
Thanks in advance,
Mark

8 replies

by arne.tredal

Check DNS on your Exchange 5.5 server to se if it does resolve the domains you are addressing messages to;

Try to ping the address (from a command prompt windows)
> ping XYZcompany.com

Also try to connect to the address
> telnet XYZcompany.com:SMTP

If these commands are not successful, you must make corrections to your DNS setup.

by timwalsh

The message is not saying that the far-end mail server can't be reached (you would get a different error message. Usually an error message such as this means that either the email address is wrong, or there is something wrong with that addressee's mailbox.

Does this happen with all addressees at a given location? Does it always happen with the same addressees?

by kkaminski

open a command prompt and try doing an "nslookup" of the domain you are trying to reach:
c:\nslookup
>set type=mx
>xyzcompany.com.

this should return the Mail eXchanger record and ip address.

also attempt to telnet on port 25 (smtp)to the destination server using either the ip address or the server name that gets displayed
c:\telnet server.xyzcompany.com 25

also, i would send a mail message to the "postmaster" at the destination company and verify with them that their people have smtp mail, i personally limit some of my users to internal mail only, i take away the smtp address that gets assigned by default and leave them with the x400 address.

if the above resolves nothing then i would start looking into possible internal DNS issues

by mkabus

It doesn't seem to be DNS relates I can resolve the name OK and I also can send an email to this user from my home email server so it is a valid address and it does accept incoming internet emails. I tried emailing other addresses at this xyzcompany.com and they come back too...

When I send the email I get the undeliverable message back almost immediately..

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