Spam Submission Invalid

Hi Guys,

I facing a typical Issue while submitting a sample spam. I have configured Customer Specific Spam Submission feature and tryting to submit a sample spam, it gets submitted successfully but while i am checking the audit log for the same it says: (error 256) submission invalid: message is not RFC 5322 compliant and (error 274) Submission Invalid: message does not have a body.

For further clarification please see the attached screen shot of the Submission Details page. request you all to post your valuable information and solutions.