Error Sending email from Outlook

[ahmed.salah]

Hi All,

We have Zimbra 5.0.18 NE, i have problem while im trying to send email from outlook and this problem occur after migrate zimbra to new server. all services started but i got the following message if i send email from outlook:

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Error: This message could not be sent.
Subject: test
To: user@domain.com


Note: Soap Fault. Please recreate and resend the message. Details below:
Error Code: service.FAILURE
Error Text: system failure: MessagingException

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please find the attached error report.

Could you please help to fix this problem.

Thank you
Ahmed