Readonlyemail(immutable) The id of the Email to send. The Email being sent does not have to be a draft, for example, when "redirecting" an existing Email to a different address.
Optional Readonlyenvelope(immutable) Information for use when sending via SMTP. If null or omitted on creation,
the server MUST generate this from the referenced Email.
Readonlyidentity(immutable) The id of the Identity to associate with this submission.
OptionalundoThis represents whether the submission may be canceled. This is server set on create and MUST be one of the following values:
pending: It may be possible to cancel this submission.final: The message has been relayed to at least one recipient in a manner that
cannot be recalled. It is no longer possible to cancel this submission.canceled: The submission was canceled and will not be delivered to any recipient.
EmailSubmissionObject properties that may be set via an
EmailSubmission/setcall.See
RFC 8621 Section 7: Email Submission