| Platform SDK: MAPI | 
The PR_PROVIDER_SUBMIT_TIME property contains the date and time a transport provider passed a message to its underlying messaging system.
| Header file: | MAPITAGS.H | 
| May be exposed by: | Message objects | 
| Identifier: | 0x0048 | 
| Property type: | PT_SYSTIME | 
| Property tag: | 0x00480040 | 
The PR_PROVIDER_SUBMIT_TIME property is set by the outgoing transport provider at the time a message is sent.
PR_PROVIDER_SUBMIT_TIME corresponds to an X.400 submission envelope per-message attribute.