Message handling functions

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The message handling functions provide special case handling instructions for the milter parameter or the mail transfer agent (MTA), without altering the content or status of the message. The Message handling functions can be called only in the xxfi_eom function. The xxfi_eom function can invoke additional communication with the MTA and return either the MI_SUCCESS or MI_FAILURE value to indicate the status of the operation.

Note: The status returned by the function indicates whether the filters message was successfully sent to the MTA. The status does not indicate whether the MTA performed the requested operation.

Table 1. message handling function
Item	Description
smfi_progress	The smfi_progress function reports operation in progress.
smfi_quarantine	The smfi_quarantine function quarantines a message.