Can't send Email from Watcher in Elastic Cloud

I have a simple watcher setup in Elastic Cloud, with a deployment using version 5.6.10. I've tested it with other notification actions (logging and Slack) and they work fine, however I keep getting an error from the Email action when I test it in the simulator:

"last_execution": {
      "timestamp": "2018-09-12T17:08:23.203Z",
      "successful": false,
      "reason": "MessagingException[failed to send email with subject [This is a test] via account [work]]; nested: SendFailedException[Invalid Addresses]; nested: SMTPAddressFailedException[554 5.7.1 <>: Recipient address rejected: Access denied\n]; "

This is the email action I have configured:

"send-email": {
  "email": {
      "to": "",
      "subject": "This is a test",
      "body": "This is a test"

Am I missing something in my config?

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have you seen this link in the elastic cloud docs? That might explain what you are seeing and how to fix the problem



I had not found that part of the documentation. That was my problem, thanks for the help!

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