# send-email

Send events as email messages.  The event payload becomes the email body.  Supports authenticated and unauthenticated SMTP.  Waits for all inflight emails before shutting down.

!!!info
If any of to(), from(), or subject() do not return a truthy value, then no email is sent.
!!!

## Config

**Required:**
- `host`: SMTP server hostname
- `to`: Function that returns recipient email address
- `from`: Function that returns sender email address
- `subject`: Function that returns email subject

**Optional:**
- `port` (number): SMTP port (default: 587)
- `user` (string): SMTP username
- `password` (string): SMTP password

## Example

```yaml
pipeline:
  send-email:
    config:
      host: smtp.example.com
      port: 587
      user: logbus
      password: secret
      to: !!js/function >-
        function(event) {
          return event.email
        }
      from: !!js/function >-
        () => 'LogBus <logbus@tfks.net>'
      subject: !!js/function >-
        () => 'LogBus ❤️ SMTP'
```