--- title: "Changes to Send outbound email" method: POST path: "/send-mail" --- # Changes to Send outbound email `POST /send-mail` > Every recorded change to this operation, newest first. > 32 revisions in range; 1 not diffed. ## Timeline Changed in 13 of 32 revisions. - **2026-10-21** `0360ea8d4f3d`: 143 warning - **2026-10-21** `5279a7bed7ac`: 99 warning, 4 info - **2026-10-11** `8703ed0d6e71`: 1 info - **2026-10-09** `6c9e8a907166`: 155 warning, 14 info - **2026-10-07** `8c9748ec969b`: 8 warning, 2 info - **2026-10-03** `30b2d7e672f4`: 40 warning, 2 info - **2026-10-02** `5dbe94af418e`: 1 info - **2026-10-01** `e9912add435c`: 64 warning - **2026-09-28** `e329f5767e3b`: 8 warning - **2026-09-24** `b4eaa65d1e41`: 64 warning - **2026-09-19** `875689b15476`: 35 warning, 1 info - **2026-09-15** `6a4dd66c86c1`: 49 warning - **2026-09-14** `f4e3b2d8c4ca`: 63 warning ## Changes - **2026-10-21** `0360ea8d4f3d`: 143 warning - added the new `agent_changed` enum value to the `error/code` response property for the response status `400` - added the new `agent_changed` enum value to the `error/code` response property for the response status `401` - added the new `agent_changed` enum value to the `error/code` response property for the response status `403` - added the new `agent_changed` enum value to the `error/code` response property for the response status `409` - added the new `agent_changed` enum value to the `error/code` response property for the response status `410` - added the new `agent_changed` enum value to the `error/code` response property for the response status `422` - added the new `agent_changed` enum value to the `error/code` response property for the response status `429` - added the new `agent_changed` enum value to the `error/code` response property for the response status `500` - added the new `agent_changed` enum value to the `error/code` response property for the response status `502` - added the new `agent_changed` enum value to the `error/code` response property for the response status `503` - added the new `agent_changed` enum value to the `error/code` response property for the response status `504` - added the new `agent_limit` enum value to the `error/code` response property for the response status `400` - added the new `agent_limit` enum value to the `error/code` response property for the response status `401` - added the new `agent_limit` enum value to the `error/code` response property for the response status `403` - added the new `agent_limit` enum value to the `error/code` response property for the response status `409` - added the new `agent_limit` enum value to the `error/code` response property for the response status `410` - added the new `agent_limit` enum value to the `error/code` response property for the response status `422` - added the new `agent_limit` enum value to the `error/code` response property for the response status `429` - added the new `agent_limit` enum value to the `error/code` response property for the response status `500` - added the new `agent_limit` enum value to the `error/code` response property for the response status `502` - added the new `agent_limit` enum value to the `error/code` response property for the response status `503` - added the new `agent_limit` enum value to the `error/code` response property for the response status `504` - added the new `already_member` enum value to the `error/code` response property for the response status `400` - added the new `already_member` enum value to the `error/code` response property for the response status `401` - added the new `already_member` enum value to the `error/code` response property for the response status `403` - added the new `already_member` enum value to the `error/code` response property for the response status `409` - added the new `already_member` enum value to the `error/code` response property for the response status `410` - added the new `already_member` enum value to the `error/code` response property for the response status `422` - added the new `already_member` enum value to the `error/code` response property for the response status `429` - added the new `already_member` enum value to the `error/code` response property for the response status `500` - added the new `already_member` enum value to the `error/code` response property for the response status `502` - added the new `already_member` enum value to the `error/code` response property for the response status `503` - added the new `already_member` enum value to the `error/code` response property for the response status `504` - added the new `directory_limit` enum value to the `error/code` response property for the response status `400` - added the new `directory_limit` enum value to the `error/code` response property for the response status `401` - added the new `directory_limit` enum value to the `error/code` response property for the response status `403` - added the new `directory_limit` enum value to the `error/code` response property for the response status `409` - added the new `directory_limit` enum value to the `error/code` response property for the response status `410` - added the new `directory_limit` enum value to the `error/code` response property for the response status `422` - added the new `directory_limit` enum value to the `error/code` response property for the response status `429` - …103 more - **2026-10-21** `5279a7bed7ac`: 99 warning, 4 info - added the new `archive_busy` enum value to the `error/code` response property for the response status `400` - added the new `archive_busy` enum value to the `error/code` response property for the response status `401` - added the new `archive_busy` enum value to the `error/code` response property for the response status `403` - added the new `archive_busy` enum value to the `error/code` response property for the response status `410` - added the new `archive_busy` enum value to the `error/code` response property for the response status `429` - added the new `archive_busy` enum value to the `error/code` response property for the response status `500` - added the new `archive_busy` enum value to the `error/code` response property for the response status `502` - added the new `archive_busy` enum value to the `error/code` response property for the response status `503` - added the new `archive_busy` enum value to the `error/code` response property for the response status `504` - added the new `archive_invalid` enum value to the `error/code` response property for the response status `400` - added the new `archive_invalid` enum value to the `error/code` response property for the response status `401` - added the new `archive_invalid` enum value to the `error/code` response property for the response status `403` - added the new `archive_invalid` enum value to the `error/code` response property for the response status `410` - added the new `archive_invalid` enum value to the `error/code` response property for the response status `429` - added the new `archive_invalid` enum value to the `error/code` response property for the response status `500` - added the new `archive_invalid` enum value to the `error/code` response property for the response status `502` - added the new `archive_invalid` enum value to the `error/code` response property for the response status `503` - added the new `archive_invalid` enum value to the `error/code` response property for the response status `504` - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `400` - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `401` - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `403` - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `410` - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `429` - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `500` - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `502` - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `503` - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `504` - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `400` - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `401` - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `403` - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `410` - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `429` - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `500` - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `502` - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `503` - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `504` - added the new `archive_unsupported` enum value to the `error/code` response property for the response status `400` - added the new `archive_unsupported` enum value to the `error/code` response property for the response status `401` - added the new `archive_unsupported` enum value to the `error/code` response property for the response status `403` - added the new `archive_unsupported` enum value to the `error/code` response property for the response status `410` - …63 more - **2026-10-11** `8703ed0d6e71`: 1 info - added the optional property `allOf[subschema #2]/data/dedup_reason` to the response with the `200` status - **2026-10-09** `6c9e8a907166`: 155 warning, 14 info - added the new `address_taken` enum value to the `error/code` response property for the response status `400` - added the new `address_taken` enum value to the `error/code` response property for the response status `401` - added the new `address_taken` enum value to the `error/code` response property for the response status `403` - added the new `address_taken` enum value to the `error/code` response property for the response status `410` - added the new `address_taken` enum value to the `error/code` response property for the response status `429` - added the new `address_taken` enum value to the `error/code` response property for the response status `500` - added the new `address_taken` enum value to the `error/code` response property for the response status `502` - added the new `address_taken` enum value to the `error/code` response property for the response status `503` - added the new `address_taken` enum value to the `error/code` response property for the response status `504` - added the new `attachment_changed` enum value to the `error/code` response property for the response status `400` - added the new `attachment_changed` enum value to the `error/code` response property for the response status `401` - added the new `attachment_changed` enum value to the `error/code` response property for the response status `403` - added the new `attachment_changed` enum value to the `error/code` response property for the response status `410` - added the new `attachment_changed` enum value to the `error/code` response property for the response status `429` - added the new `attachment_changed` enum value to the `error/code` response property for the response status `500` - added the new `attachment_changed` enum value to the `error/code` response property for the response status `502` - added the new `attachment_changed` enum value to the `error/code` response property for the response status `503` - added the new `attachment_changed` enum value to the `error/code` response property for the response status `504` - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `400` - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `401` - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `403` - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `410` - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `429` - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `500` - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `502` - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `503` - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `504` - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `400` - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `401` - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `403` - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `410` - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `429` - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `500` - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `502` - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `503` - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `504` - added the new `attachment_not_ready` enum value to the `error/code` response property for the response status `400` - added the new `attachment_not_ready` enum value to the `error/code` response property for the response status `401` - added the new `attachment_not_ready` enum value to the `error/code` response property for the response status `403` - added the new `attachment_not_ready` enum value to the `error/code` response property for the response status `410` - …129 more - **2026-10-07** `8c9748ec969b`: 8 warning, 2 info - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `400` - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `401` - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `403` - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `410` - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `429` - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `500` - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `502` - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `503` - added the non-success response with the status `504` - added the optional property `allOf[subschema #2]/data/idempotency` to the response with the `200` status - **2026-10-03** `30b2d7e672f4`: 40 warning, 2 info - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `400` - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `401` - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `403` - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `410` - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `429` - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `500` - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `502` - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `503` - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `400` - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `401` - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `403` - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `410` - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `429` - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `500` - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `502` - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `503` - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `400` - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `401` - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `403` - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `410` - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `429` - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `500` - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `502` - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `503` - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `400` - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `401` - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `403` - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `410` - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `429` - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `500` - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `502` - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `503` - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `400` - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `401` - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `403` - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `410` - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `429` - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `500` - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `502` - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `503` - …2 more - **2026-10-02** `5dbe94af418e`: 1 info - added the new optional request property `fyi` - **2026-10-01** `e9912add435c`: 64 warning - added the new `connection_already_claimed` enum value to the `error/code` response property for the response status `400` - added the new `connection_already_claimed` enum value to the `error/code` response property for the response status `401` - added the new `connection_already_claimed` enum value to the `error/code` response property for the response status `403` - added the new `connection_already_claimed` enum value to the `error/code` response property for the response status `410` - added the new `connection_already_claimed` enum value to the `error/code` response property for the response status `429` - added the new `connection_already_claimed` enum value to the `error/code` response property for the response status `500` - added the new `connection_already_claimed` enum value to the `error/code` response property for the response status `502` - added the new `connection_already_claimed` enum value to the `error/code` response property for the response status `503` - added the new `connection_create_request_conflict` enum value to the `error/code` response property for the response status `400` - added the new `connection_create_request_conflict` enum value to the `error/code` response property for the response status `401` - added the new `connection_create_request_conflict` enum value to the `error/code` response property for the response status `403` - added the new `connection_create_request_conflict` enum value to the `error/code` response property for the response status `410` - added the new `connection_create_request_conflict` enum value to the `error/code` response property for the response status `429` - added the new `connection_create_request_conflict` enum value to the `error/code` response property for the response status `500` - added the new `connection_create_request_conflict` enum value to the `error/code` response property for the response status `502` - added the new `connection_create_request_conflict` enum value to the `error/code` response property for the response status `503` - added the new `connection_removed` enum value to the `error/code` response property for the response status `400` - added the new `connection_removed` enum value to the `error/code` response property for the response status `401` - added the new `connection_removed` enum value to the `error/code` response property for the response status `403` - added the new `connection_removed` enum value to the `error/code` response property for the response status `410` - added the new `connection_removed` enum value to the `error/code` response property for the response status `429` - added the new `connection_removed` enum value to the `error/code` response property for the response status `500` - added the new `connection_removed` enum value to the `error/code` response property for the response status `502` - added the new `connection_removed` enum value to the `error/code` response property for the response status `503` - added the new `email_admission_unavailable` enum value to the `error/code` response property for the response status `400` - added the new `email_admission_unavailable` enum value to the `error/code` response property for the response status `401` - added the new `email_admission_unavailable` enum value to the `error/code` response property for the response status `403` - added the new `email_admission_unavailable` enum value to the `error/code` response property for the response status `410` - added the new `email_admission_unavailable` enum value to the `error/code` response property for the response status `429` - added the new `email_admission_unavailable` enum value to the `error/code` response property for the response status `500` - added the new `email_admission_unavailable` enum value to the `error/code` response property for the response status `502` - added the new `email_admission_unavailable` enum value to the `error/code` response property for the response status `503` - added the new `member_address_domain_unavailable` enum value to the `error/code` response property for the response status `400` - added the new `member_address_domain_unavailable` enum value to the `error/code` response property for the response status `401` - added the new `member_address_domain_unavailable` enum value to the `error/code` response property for the response status `403` - added the new `member_address_domain_unavailable` enum value to the `error/code` response property for the response status `410` - added the new `member_address_domain_unavailable` enum value to the `error/code` response property for the response status `429` - added the new `member_address_domain_unavailable` enum value to the `error/code` response property for the response status `500` - added the new `member_address_domain_unavailable` enum value to the `error/code` response property for the response status `502` - added the new `member_address_domain_unavailable` enum value to the `error/code` response property for the response status `503` - …24 more - **2026-09-28** `e329f5767e3b`: 8 warning - added the new `contact_conflict` enum value to the `error/code` response property for the response status `400` - added the new `contact_conflict` enum value to the `error/code` response property for the response status `401` - added the new `contact_conflict` enum value to the `error/code` response property for the response status `403` - added the new `contact_conflict` enum value to the `error/code` response property for the response status `410` - added the new `contact_conflict` enum value to the `error/code` response property for the response status `429` - added the new `contact_conflict` enum value to the `error/code` response property for the response status `500` - added the new `contact_conflict` enum value to the `error/code` response property for the response status `502` - added the new `contact_conflict` enum value to the `error/code` response property for the response status `503` - **2026-09-24** `b4eaa65d1e41`: 64 warning - added the new `credit_code_already_redeemed` enum value to the `error/code` response property for the response status `400` - added the new `credit_code_already_redeemed` enum value to the `error/code` response property for the response status `401` - added the new `credit_code_already_redeemed` enum value to the `error/code` response property for the response status `403` - added the new `credit_code_already_redeemed` enum value to the `error/code` response property for the response status `410` - added the new `credit_code_already_redeemed` enum value to the `error/code` response property for the response status `429` - added the new `credit_code_already_redeemed` enum value to the `error/code` response property for the response status `500` - added the new `credit_code_already_redeemed` enum value to the `error/code` response property for the response status `502` - added the new `credit_code_already_redeemed` enum value to the `error/code` response property for the response status `503` - added the new `credit_code_balance_cap` enum value to the `error/code` response property for the response status `400` - added the new `credit_code_balance_cap` enum value to the `error/code` response property for the response status `401` - added the new `credit_code_balance_cap` enum value to the `error/code` response property for the response status `403` - added the new `credit_code_balance_cap` enum value to the `error/code` response property for the response status `410` - added the new `credit_code_balance_cap` enum value to the `error/code` response property for the response status `429` - added the new `credit_code_balance_cap` enum value to the `error/code` response property for the response status `500` - added the new `credit_code_balance_cap` enum value to the `error/code` response property for the response status `502` - added the new `credit_code_balance_cap` enum value to the `error/code` response property for the response status `503` - added the new `credit_code_invalid` enum value to the `error/code` response property for the response status `400` - added the new `credit_code_invalid` enum value to the `error/code` response property for the response status `401` - added the new `credit_code_invalid` enum value to the `error/code` response property for the response status `403` - added the new `credit_code_invalid` enum value to the `error/code` response property for the response status `410` - added the new `credit_code_invalid` enum value to the `error/code` response property for the response status `429` - added the new `credit_code_invalid` enum value to the `error/code` response property for the response status `500` - added the new `credit_code_invalid` enum value to the `error/code` response property for the response status `502` - added the new `credit_code_invalid` enum value to the `error/code` response property for the response status `503` - added the new `credit_code_not_eligible` enum value to the `error/code` response property for the response status `400` - added the new `credit_code_not_eligible` enum value to the `error/code` response property for the response status `401` - added the new `credit_code_not_eligible` enum value to the `error/code` response property for the response status `403` - added the new `credit_code_not_eligible` enum value to the `error/code` response property for the response status `410` - added the new `credit_code_not_eligible` enum value to the `error/code` response property for the response status `429` - added the new `credit_code_not_eligible` enum value to the `error/code` response property for the response status `500` - added the new `credit_code_not_eligible` enum value to the `error/code` response property for the response status `502` - added the new `credit_code_not_eligible` enum value to the `error/code` response property for the response status `503` - added the new `idempotency_key_required` enum value to the `error/code` response property for the response status `400` - added the new `idempotency_key_required` enum value to the `error/code` response property for the response status `401` - added the new `idempotency_key_required` enum value to the `error/code` response property for the response status `403` - added the new `idempotency_key_required` enum value to the `error/code` response property for the response status `410` - added the new `idempotency_key_required` enum value to the `error/code` response property for the response status `429` - added the new `idempotency_key_required` enum value to the `error/code` response property for the response status `500` - added the new `idempotency_key_required` enum value to the `error/code` response property for the response status `502` - added the new `idempotency_key_required` enum value to the `error/code` response property for the response status `503` - …24 more - **2026-09-19** `875689b15476`: 35 warning, 1 info - added the new `connection_not_revoked` enum value to the `error/code` response property for the response status `400` - added the new `connection_not_revoked` enum value to the `error/code` response property for the response status `401` - added the new `connection_not_revoked` enum value to the `error/code` response property for the response status `403` - added the new `connection_not_revoked` enum value to the `error/code` response property for the response status `429` - added the new `connection_not_revoked` enum value to the `error/code` response property for the response status `500` - added the new `connection_not_revoked` enum value to the `error/code` response property for the response status `502` - added the new `connection_not_revoked` enum value to the `error/code` response property for the response status `503` - added the new `sent_email_changed` enum value to the `error/code` response property for the response status `400` - added the new `sent_email_changed` enum value to the `error/code` response property for the response status `401` - added the new `sent_email_changed` enum value to the `error/code` response property for the response status `403` - added the new `sent_email_changed` enum value to the `error/code` response property for the response status `429` - added the new `sent_email_changed` enum value to the `error/code` response property for the response status `500` - added the new `sent_email_changed` enum value to the `error/code` response property for the response status `502` - added the new `sent_email_changed` enum value to the `error/code` response property for the response status `503` - added the new `sent_email_cleanup_failed` enum value to the `error/code` response property for the response status `400` - added the new `sent_email_cleanup_failed` enum value to the `error/code` response property for the response status `401` - added the new `sent_email_cleanup_failed` enum value to the `error/code` response property for the response status `403` - added the new `sent_email_cleanup_failed` enum value to the `error/code` response property for the response status `429` - added the new `sent_email_cleanup_failed` enum value to the `error/code` response property for the response status `500` - added the new `sent_email_cleanup_failed` enum value to the `error/code` response property for the response status `502` - added the new `sent_email_cleanup_failed` enum value to the `error/code` response property for the response status `503` - added the new `sent_email_deleted` enum value to the `error/code` response property for the response status `400` - added the new `sent_email_deleted` enum value to the `error/code` response property for the response status `401` - added the new `sent_email_deleted` enum value to the `error/code` response property for the response status `403` - added the new `sent_email_deleted` enum value to the `error/code` response property for the response status `429` - added the new `sent_email_deleted` enum value to the `error/code` response property for the response status `500` - added the new `sent_email_deleted` enum value to the `error/code` response property for the response status `502` - added the new `sent_email_deleted` enum value to the `error/code` response property for the response status `503` - added the new `sent_email_not_settled` enum value to the `error/code` response property for the response status `400` - added the new `sent_email_not_settled` enum value to the `error/code` response property for the response status `401` - added the new `sent_email_not_settled` enum value to the `error/code` response property for the response status `403` - added the new `sent_email_not_settled` enum value to the `error/code` response property for the response status `429` - added the new `sent_email_not_settled` enum value to the `error/code` response property for the response status `500` - added the new `sent_email_not_settled` enum value to the `error/code` response property for the response status `502` - added the new `sent_email_not_settled` enum value to the `error/code` response property for the response status `503` - added the non-success response with the status `410` - **2026-09-15** `6a4dd66c86c1`: 49 warning - added the new `address_not_controlled` enum value to the `error/code` response property for the response status `400` - added the new `address_not_controlled` enum value to the `error/code` response property for the response status `401` - added the new `address_not_controlled` enum value to the `error/code` response property for the response status `403` - added the new `address_not_controlled` enum value to the `error/code` response property for the response status `429` - added the new `address_not_controlled` enum value to the `error/code` response property for the response status `500` - added the new `address_not_controlled` enum value to the `error/code` response property for the response status `502` - added the new `address_not_controlled` enum value to the `error/code` response property for the response status `503` - added the new `address_note_conflict` enum value to the `error/code` response property for the response status `400` - added the new `address_note_conflict` enum value to the `error/code` response property for the response status `401` - added the new `address_note_conflict` enum value to the `error/code` response property for the response status `403` - added the new `address_note_conflict` enum value to the `error/code` response property for the response status `429` - added the new `address_note_conflict` enum value to the `error/code` response property for the response status `500` - added the new `address_note_conflict` enum value to the `error/code` response property for the response status `502` - added the new `address_note_conflict` enum value to the `error/code` response property for the response status `503` - added the new `agent_connection_scope_forbidden` enum value to the `error/code` response property for the response status `400` - added the new `agent_connection_scope_forbidden` enum value to the `error/code` response property for the response status `401` - added the new `agent_connection_scope_forbidden` enum value to the `error/code` response property for the response status `403` - added the new `agent_connection_scope_forbidden` enum value to the `error/code` response property for the response status `429` - added the new `agent_connection_scope_forbidden` enum value to the `error/code` response property for the response status `500` - added the new `agent_connection_scope_forbidden` enum value to the `error/code` response property for the response status `502` - added the new `agent_connection_scope_forbidden` enum value to the `error/code` response property for the response status `503` - added the new `connection_address_unavailable` enum value to the `error/code` response property for the response status `400` - added the new `connection_address_unavailable` enum value to the `error/code` response property for the response status `401` - added the new `connection_address_unavailable` enum value to the `error/code` response property for the response status `403` - added the new `connection_address_unavailable` enum value to the `error/code` response property for the response status `429` - added the new `connection_address_unavailable` enum value to the `error/code` response property for the response status `500` - added the new `connection_address_unavailable` enum value to the `error/code` response property for the response status `502` - added the new `connection_address_unavailable` enum value to the `error/code` response property for the response status `503` - added the new `connection_domain_unavailable` enum value to the `error/code` response property for the response status `400` - added the new `connection_domain_unavailable` enum value to the `error/code` response property for the response status `401` - added the new `connection_domain_unavailable` enum value to the `error/code` response property for the response status `403` - added the new `connection_domain_unavailable` enum value to the `error/code` response property for the response status `429` - added the new `connection_domain_unavailable` enum value to the `error/code` response property for the response status `500` - added the new `connection_domain_unavailable` enum value to the `error/code` response property for the response status `502` - added the new `connection_domain_unavailable` enum value to the `error/code` response property for the response status `503` - added the new `connection_invitation_unavailable` enum value to the `error/code` response property for the response status `400` - added the new `connection_invitation_unavailable` enum value to the `error/code` response property for the response status `401` - added the new `connection_invitation_unavailable` enum value to the `error/code` response property for the response status `403` - added the new `connection_invitation_unavailable` enum value to the `error/code` response property for the response status `429` - added the new `connection_invitation_unavailable` enum value to the `error/code` response property for the response status `500` - …9 more - **2026-09-14** `f4e3b2d8c4ca`: 63 warning - added the new `event_content_unavailable` enum value to the `error/code` response property for the response status `400` - added the new `event_content_unavailable` enum value to the `error/code` response property for the response status `401` - added the new `event_content_unavailable` enum value to the `error/code` response property for the response status `403` - added the new `event_content_unavailable` enum value to the `error/code` response property for the response status `429` - added the new `event_content_unavailable` enum value to the `error/code` response property for the response status `500` - added the new `event_content_unavailable` enum value to the `error/code` response property for the response status `502` - added the new `event_content_unavailable` enum value to the `error/code` response property for the response status `503` - added the new `event_preparation_failed` enum value to the `error/code` response property for the response status `400` - added the new `event_preparation_failed` enum value to the `error/code` response property for the response status `401` - added the new `event_preparation_failed` enum value to the `error/code` response property for the response status `403` - added the new `event_preparation_failed` enum value to the `error/code` response property for the response status `429` - added the new `event_preparation_failed` enum value to the `error/code` response property for the response status `500` - added the new `event_preparation_failed` enum value to the `error/code` response property for the response status `502` - added the new `event_preparation_failed` enum value to the `error/code` response property for the response status `503` - added the new `pull_unavailable` enum value to the `error/code` response property for the response status `400` - added the new `pull_unavailable` enum value to the `error/code` response property for the response status `401` - added the new `pull_unavailable` enum value to the `error/code` response property for the response status `403` - added the new `pull_unavailable` enum value to the `error/code` response property for the response status `429` - added the new `pull_unavailable` enum value to the `error/code` response property for the response status `500` - added the new `pull_unavailable` enum value to the `error/code` response property for the response status `502` - added the new `pull_unavailable` enum value to the `error/code` response property for the response status `503` - added the new `request_aborted` enum value to the `error/code` response property for the response status `400` - added the new `request_aborted` enum value to the `error/code` response property for the response status `401` - added the new `request_aborted` enum value to the `error/code` response property for the response status `403` - added the new `request_aborted` enum value to the `error/code` response property for the response status `429` - added the new `request_aborted` enum value to the `error/code` response property for the response status `500` - added the new `request_aborted` enum value to the `error/code` response property for the response status `502` - added the new `request_aborted` enum value to the `error/code` response property for the response status `503` - added the new `stale_delivery` enum value to the `error/code` response property for the response status `400` - added the new `stale_delivery` enum value to the `error/code` response property for the response status `401` - added the new `stale_delivery` enum value to the `error/code` response property for the response status `403` - added the new `stale_delivery` enum value to the `error/code` response property for the response status `429` - added the new `stale_delivery` enum value to the `error/code` response property for the response status `500` - added the new `stale_delivery` enum value to the `error/code` response property for the response status `502` - added the new `stale_delivery` enum value to the `error/code` response property for the response status `503` - added the new `subscription_conflict` enum value to the `error/code` response property for the response status `400` - added the new `subscription_conflict` enum value to the `error/code` response property for the response status `401` - added the new `subscription_conflict` enum value to the `error/code` response property for the response status `403` - added the new `subscription_conflict` enum value to the `error/code` response property for the response status `429` - added the new `subscription_conflict` enum value to the `error/code` response property for the response status `500` - …23 more --- [Operation](https://skmtc.dev/primitive/apis/primitive-api/docs/send-mail/post.md) - [API](https://skmtc.dev/primitive/apis/primitive-api.md) - [Page](https://skmtc.dev/primitive/apis/primitive-api/changes/send-mail/post)