This function retrieves the contents of the server's mail queue.
HTTP Request was successful.
| object | |
| object | 
whmapi1 --output=jsonpretty \ fetch_mail_queue
{- "data": {- "records": [- {- "frozen": 0,
- "msgid": "1UotX3-0002HX-Lr",
- "recipients": [- "pricilla@graceland.com"
 ],
- "sender": "elvis@graceland.com",
- "size": 14336,
- "time": 1371552781,
- "user": null
 }
 ]
 },
- "metadata": {- "command": "fetch_mail_queue",
- "reason": "OK",
- "result": 1,
- "version": 1
 }
}