Create a message from a mailbox

const msg = await bird.email.mailboxes.messages.create("mbx_01abc", {
  to: ["customer@example.com"],
  subject: "Hello",
  text: "Hi there!",
});

msg = client.email.mailboxes.messages.create(
    "mbx_01krdgeqcxet5s7t44vh8rt9mg",
    to=[{"address": "user@example.com"}],
    subject="Hello",
    text="Hi there",
)
print(msg.id, msg.thread_id)

msg, err := client.Email.Mailboxes.Messages.Create(context.Background(), "mbx_123", bird.EmailMailboxesMessagesCreateParams{
	To:      []string{"customer@example.com"},
	Subject: "Following up",
	HTML:    "<p>Hi, just checking in.</p>",
})
if err != nil {
	log.Fatal(err)
}
fmt.Println(msg.Id)

bird email mailboxes compose <mailbox-id> \
  --subject 'Your quote' \
  --text 'Hi, here is the quote you asked for.' \
  --to delivered@messagebird.dev

curl -X POST "https://us1.platform.bird.com/v1/email/mailboxes/{mailbox_id}/messages" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "to": [
      "delivered@messagebird.dev"
    ],
    "subject": "Your quote",
    "text": "Hi, here is the quote you asked for."
  }'