MESSAGING_EMAIL_CACHE_FORWARD Messaging Endpoint
  /rpc/messaging/?method=MESSAGING_EMAIL_CACHE_FORWARD  
  Click here to read a summary of Email Caching. This method prepares an email (ACTION) ready for forwarding. Pass the cache id.  
  PARAMETERS TYPE NOTES
  Id Numeric  
  RETURN  
  Action Id of prepared email
  AttachmentCount Number of attachments on the email
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