/api/qmail/net/messages/upload_and_tell

const compose = await fetch('http://localhost:8081/api/qmail/net/messages/upload_and_tell?body=QMail%20upload%2Btell%20doc%20test%20from%20Client1.&subject=Upload%2BTell%20Doc%20Test&to=%40chariot.harbor.byte&duration=4').then(r => r.json());
if (!compose.success) {
    throw new Error(`Upload+Tell kickoff failed: ${compose.message}`);
}
console.log(`task=${compose.task_id} guid=${compose.file_guid}`);

// Poll until both phases finish.
async function pollTask(taskId) {
    while (true) {
        const r = await fetch(`/api/system/tasks?id=${encodeURIComponent(taskId)}`);
        const t = await r.json();
        if (t.status !== 'running') return t;
        await new Promise(r => setTimeout(r, 1000));
    }
}
const finalState = await pollTask(compose.task_id);
console.log('Final state:', finalState);

// Inspect the receipt for per-recipient detail.
const receipt = await fetch(`/api/qmail/receipts?guid=${compose.file_guid}`).then(r => r.json());
console.log('Recipients:', receipt.tell?.recipients);

import time
import requests

BASE = 'http://localhost:8081/api'

compose = requests.get(f'{BASE}/qmail/net/messages/upload_and_tell', params={
    'body':    'QMail upload+tell doc test from Client1.',
    'subject': 'Upload+Tell Doc Test',
    'to':      '@chariot.harbor.byte',
    'duration': 4,
}).json()
assert compose['success'], compose
task_id   = compose['task_id']
file_guid = compose['file_guid']

while True:
    t = requests.get(f'{BASE}/system/tasks', params={'id': task_id}).json()
    if t['status'] != 'running':
        break
    time.sleep(1)
print('Final state:', t)

receipt = requests.get(f'{BASE}/qmail/receipts', params={'guid': file_guid}).json()
print('Recipients:', receipt.get('tell', {}).get('recipients'))