---
title: "Changes to Send raw MIME email"
method: POST
path: "/emails/raw"
---

# Changes to Send raw MIME email

`POST /emails/raw`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 7 of 49 revisions.

- **2026-02-18** `e38e03901deb`: 3 warning
- **2026-02-08** `37bce0c9a4d7`: 6 warning, 6 info
- **2026-02-08** `4f8eeb0b9933`: 276 warning
- **2026-01-23** `c7a958bca791`: 6 info
- **2026-01-23** `0a792ba31f5e`: 3 breaking, 1 info
- **2026-01-23** `15736053ec21`: 3 breaking, 3 warning
- **2026-01-21** `34d225476c98`: 1 info

## Changes

- **2026-02-18** `e38e03901deb`: 3 warning
  - the optional response header `X-RateLimit-Limit` removed for the status `429`
  - the optional response header `X-RateLimit-Remaining` removed for the status `429`
  - the optional response header `X-RateLimit-Reset` removed for the status `429`
- **2026-02-08** `37bce0c9a4d7`: 6 warning, 6 info
  - added the new `infrastructure_error` enum value to the `error/code` response property for the response status `400`
  - added the new `infrastructure_error` enum value to the `error/code` response property for the response status `401`
  - added the new `infrastructure_error` enum value to the `error/code` response property for the response status `402`
  - added the new `infrastructure_error` enum value to the `error/code` response property for the response status `422`
  - added the new `infrastructure_error` enum value to the `error/code` response property for the response status `429`
  - added the new `infrastructure_error` enum value to the `error/code` response property for the response status `500`
  - removed the `postal_error` enum value from the `error/code` response property for the response status `400`
  - removed the `postal_error` enum value from the `error/code` response property for the response status `401`
  - removed the `postal_error` enum value from the `error/code` response property for the response status `402`
  - removed the `postal_error` enum value from the `error/code` response property for the response status `422`
  - removed the `postal_error` enum value from the `error/code` response property for the response status `429`
  - removed the `postal_error` enum value from the `error/code` response property for the response status `500`
- **2026-02-08** `4f8eeb0b9933`: 276 warning
  - added the new `already_exists` enum value to the `error/code` response property for the response status `400`
  - added the new `already_exists` enum value to the `error/code` response property for the response status `401`
  - added the new `already_exists` enum value to the `error/code` response property for the response status `402`
  - added the new `already_exists` enum value to the `error/code` response property for the response status `422`
  - added the new `already_exists` enum value to the `error/code` response property for the response status `429`
  - added the new `already_exists` enum value to the `error/code` response property for the response status `500`
  - added the new `attachment_too_large` enum value to the `error/code` response property for the response status `400`
  - added the new `attachment_too_large` enum value to the `error/code` response property for the response status `401`
  - added the new `attachment_too_large` enum value to the `error/code` response property for the response status `402`
  - added the new `attachment_too_large` enum value to the `error/code` response property for the response status `422`
  - added the new `attachment_too_large` enum value to the `error/code` response property for the response status `429`
  - added the new `attachment_too_large` enum value to the `error/code` response property for the response status `500`
  - added the new `authentication_required` enum value to the `error/code` response property for the response status `400`
  - added the new `authentication_required` enum value to the `error/code` response property for the response status `401`
  - added the new `authentication_required` enum value to the `error/code` response property for the response status `402`
  - added the new `authentication_required` enum value to the `error/code` response property for the response status `422`
  - added the new `authentication_required` enum value to the `error/code` response property for the response status `429`
  - added the new `authentication_required` enum value to the `error/code` response property for the response status `500`
  - added the new `billing_error` enum value to the `error/code` response property for the response status `400`
  - added the new `billing_error` enum value to the `error/code` response property for the response status `401`
  - added the new `billing_error` enum value to the `error/code` response property for the response status `402`
  - added the new `billing_error` enum value to the `error/code` response property for the response status `422`
  - added the new `billing_error` enum value to the `error/code` response property for the response status `429`
  - added the new `billing_error` enum value to the `error/code` response property for the response status `500`
  - added the new `billing_not_configured` enum value to the `error/code` response property for the response status `400`
  - added the new `billing_not_configured` enum value to the `error/code` response property for the response status `401`
  - added the new `billing_not_configured` enum value to the `error/code` response property for the response status `402`
  - added the new `billing_not_configured` enum value to the `error/code` response property for the response status `422`
  - added the new `billing_not_configured` enum value to the `error/code` response property for the response status `429`
  - added the new `billing_not_configured` enum value to the `error/code` response property for the response status `500`
  - added the new `credential_not_found` enum value to the `error/code` response property for the response status `400`
  - added the new `credential_not_found` enum value to the `error/code` response property for the response status `401`
  - added the new `credential_not_found` enum value to the `error/code` response property for the response status `402`
  - added the new `credential_not_found` enum value to the `error/code` response property for the response status `422`
  - added the new `credential_not_found` enum value to the `error/code` response property for the response status `429`
  - added the new `credential_not_found` enum value to the `error/code` response property for the response status `500`
  - added the new `credential_on_hold` enum value to the `error/code` response property for the response status `400`
  - added the new `credential_on_hold` enum value to the `error/code` response property for the response status `401`
  - added the new `credential_on_hold` enum value to the `error/code` response property for the response status `402`
  - added the new `credential_on_hold` enum value to the `error/code` response property for the response status `422`
  - …236 more
- **2026-01-23** `c7a958bca791`: 6 info
  - added the optional property `error/hint` to the response with the `400` status
  - added the optional property `error/hint` to the response with the `401` status
  - added the optional property `error/hint` to the response with the `402` status
  - added the optional property `error/hint` to the response with the `422` status
  - added the optional property `error/hint` to the response with the `429` status
  - added the optional property `error/hint` to the response with the `500` status
- **2026-01-23** `0a792ba31f5e`: 3 breaking, 1 info
  - the `to` request property's minItems was increased to `1`
  - the `from` request property's minLength was increased from `0` to `1`
  - the `rawMessage` request property's minLength was increased from `0` to `1`
  - the `from` request property format was generalized from `email` to no format
- **2026-01-23** `15736053ec21`: 3 breaking, 3 warning
  - added the new required request property `from`
  - added the new required request property `rawMessage`
  - added the new required request property `to`
  - removed the request property `data`
  - removed the request property `mailFrom`
  - removed the request property `rcptTo`
- **2026-01-21** `34d225476c98`: 1 info
  - added the optional property `data/sandbox` to the response with the `200` status

---

[Operation](https://skmtc.dev/arkhq-io/apis/ark-email-api/docs/emails/raw/post.md) - [API](https://skmtc.dev/arkhq-io/apis/ark-email-api.md) - [Page](https://skmtc.dev/arkhq-io/apis/ark-email-api/changes/emails/raw/post)
