## sendEmail
## Description
Send an email. The body can be either a string or the handle of a liquid page. A SMTP server is required. It's also possible to attach files to the email.
## Usage
## Options
| Name | Type | Description |
| to | String | recipient's email |
| from | String | sender's email |
| subject | String | subject of the email |
| body | String | [Optional] body of the email |
| page_handle | String | [Optional] handle of a liquid page |
| attachments | Hash | [Optional] key is the file name, value is the absolute url to the file |
| smtp | Hash | settings for the SMTP server. Attributes: address, port, user_name, password, authentication ('plain'), enable_starttls_auto (boolean) |
## Example
Do not store SMTP settings in the liquid tag
Instead use the site metafields to store them.