Getting an error with auto-reply rule

Hi,

I recently setup an Exchange 2007 coexisting in an Exchange 2003 environment. Exchange 03 is currently routing emails from mailboxes that are in 07. However, auto-reply rules seems to stop working. This is the error I get:

Delivery has failed to these recipients or distribution lists:

name@email.com
The e-mail system had a problem processing this message. Microsoft Exchange will not try to redeliver this message for you. Please provide the following diagnostic text to your system administrator.


Diagnostic information for administrators:

Generating server: ex03server.domain.com

name@email.com
#< #5.6.1 smtp;554 5.6.1 Body type not supported by Remote Host> #SMTP#
...

Does anyone know what this means? I have read that the cause could be the Exchange 03 server isn't supporting 8bitmime, but when i telnet and send an EHLO, it shows up in the list. Any suggestions?

Thanks!
Dave
draylanAsked:
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dsolarisCommented:
You should disable 8bitmime.

You can force server to publish 7bit MIME by using HELO instead of EHLO
Your symptom also matches a known issue in the exchange 2007 RTM which has been fixed in SP1.

To resolve this issue, you have two solutions:

·         Upgrade Exchange 2007 to SP1
·         Disable the verb 8bitmime on the Exchange 2003 servers, so Exchange will convert all the email to 7bit before sending to the host



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draylanAuthor Commented:
Thanks for the response! I don't want to screw anything up so just want to clarify. I use ADSIEDIT and modify the msExchSmtpInboundCommandSupportOptions (default is 7697601) and subtract the 8bitmime decimal value which is 4194304? Is this correct?
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dsolarisCommented:
For Exchange 2003 yes.
FOr Exchange 2007 you wouuld use set-sendconnector -id connector name -ForceHELO  $true
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