POST a single email message

{
  "requestInfo": {
    "requestId": "c1319852-5367-5958-9aee-98fffdc22490"
  },
  "emailOverview": {
    "messageId": "c1319852-5367-5958-9aee-98fffdc22491",
    "time": 1672531200000,
    "subject": "RE Compliance Archiving Tools",
    "senders": [
      {
        "displayName": "Joe Bloggs",
        "companyName": "Corp Company",
        "accountId": "123456",
        "accountName": "Bloomberg/ 404 MyCompany",
        "primaryEmail": "joe@example.com",
        "otherAlias": "userJoeBloggs1234",
        "identityType": "internal",
        "phoneNumber": "00 44 1234 567890",
        "senderType": "sender"
      }
    ],
    "recipients": [
      {
        "deliveryTypes": [
          "to",
          "cc"
        ],
        "displayName": "Joe Bloggs",
        "companyName": "Corp Company",
        "accountId": "123456",
        "accountName": "Bloomberg/ 404 MyCompany",
        "primaryEmail": "joe@example.com",
        "otherAlias": "userJoeBloggs1234",
        "phoneNumber": "00 44 1234 567890",
        "identityType": "internal"
      }
    ],
    "content": {
      "textType": "plain",
      "priority": "high",
      "sensitivity": "internal",
      "classification": "marketing",
      "signature": "Joe Bloggs Employee My Company",
      "disclaimer": "This message is intended only for the use of the individual or entity to which it is addressed."
    },
    "files": [
      {
        "filename": "meeting-video.mp4",
        "fileKey": "example-corp/all-meetings/meeting-video.mp4"
      },
      {
        "filename": "image.gif",
        "fileKey": "default/acmeLtd/12345",
        "fileHref": "https://giphy.com/gifs/JIX9t2j0ZTN9S"
      },
      {
        "filename": "attached-image.jpg",
        "fileKey": "default/acmeLtd/123456",
        "contentId": "c1319852"
      }
    ],
    "eventType": "email_sent"
  }
}

{
  "reconciliationId": "c1319852-5367-5958-9aee-98fffdc22493"
}