Send With SMTP
Depending on the size of your customer base you could end up sending a lot emails with AutomateWoo. But regardless of size sending you email with SMTP will greatly improve the chances of your emails appearing in a customer’s inbox rather than their spam folder. We highly recommend doing this!
More info in this article: Reliable WordPress Email with External SMTP Integration
WooCommerce HTML Email Template
AutomateWoo uses the same HTML Email Template that WooCommerce uses to send transactional emails for your orders. If you’re not happy with how your emails are looking its probably best to involve a developer to customize your theme.