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do not have permission to send email to internal users

HI I am using exchange 2003 and outlook 2003 and i have created an email that i have given someone send on behalf permission to this person can send emails to external users with out any issue while  we have issues sendinf emails to internal users we get an ndr message :


The following recipient(s) could not be reached:

      Tx,  y on 11/02/2009 8:17 PM
            You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            MSEXCH:MSExchangeIS:/DC=com/DC=test/DC=main:test

      B, O on 11/02/2009 8:17 PM
            You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            MSEXCH:MSExchangeIS:/DC=com/DC=test/DC=test:test

this issue only occurs when we try to send to internal users can any one help

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mzhaim
Asked:
mzhaim
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1 Solution
 
debuggerauCommented:
Are you certain the internal users are valid exchange members?

If so, are you saying that no one in the org can send any emails to other internal accounts, however, when internal people sent externally, its ok?

If that is what your problem is, it might we worth trying OWA to verify its exchanges fault at all..

I've had it that domain masquerading had incorrect MX records, but if your sending to your internal AD domain, that shouldn't be an issue.

No errors in the exchange server event logs?


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mzhaimAuthor Commented:
no my problem is when internal users are sending emails to a particular email account is when we have a problem but internal emails are flowing without any issues but only the emails sent to that email account is causing errors

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debuggerauCommented:
Ok, now I am confused:

First msg:
while  we have issues sendinf emails to internal users we get an ndr message :

Second msg:
but internal emails are flowing without any issues

If the second case is true, and this problematic user is external, I'd suggest checking the SMTP logs to see if it is the recipients mail server that is failing.

Otherwise, if it is not there end, it could be the MX record incorrectly addressing your email server.

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gilm0079Commented:
I had this same issue.  Here are the things I tried and the thing that finally fixed it for me after finding the resolution on the internet in a Russian post.

I tried removing and re-adding the AD account for the user having issues.  To do this follow these steps:
1. Make a backup of their data (mailbox, files) in case something goes wrong
2. Delete their AD account (and mark their mailbox for deletion)
3. In Exchange System Manager drill down to the mailboxes, right click on "Mailboxes" and run cleanup agent
4. Verify that there is a red X on the user you removed.
5. Re-add the AD account and setup their permissions (do NOT have AD create a mailbox)
6. Reconnect the mailbox in Exchange System Manager to the new AD account
7. Test

That didn't work for us.  What we found was the problem was a caching issue.  We are using cached mode, which I'm not sure if that was the specific issue, but in Outlook when you are typing in a email address it starts to auto-complete what you are typing.  These address may look correct, but somehow don't know the correct path to the destination.  Delete these by highlighting with your keyboard and push delete.  Then add the destination via your address book which should have the correct path.  In our case we were getting this error when using an email address in the "From" field to do a "Send As".  Hopefully this helps.
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