Newsletter Status Codes
If you'd like to check the status of a newsletter deployment, you can do so in the Newsletter manager here:
Pending Mailing table
The Status column will contain one of 3 values: Processed, Not Processed, or Error.
Processed: The newsletter has been processed and sent to your ESP (the Sent Count does not increment for this status code).
Not Processed: The newsletter has not yet sent because of an issue, the Scheduled Task will retry deploying every 15 minutes and incrementing the Sent Count until it has reached 4 failed attempts (at which point the Status will change to Error).
Error: You will see this in the event of an error, after the status Not Processed has iterated through all 4 send attempts.