> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://gst-invoice.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Email Integration

Navigate to Pixi order printer > Email > Create new automation.
Pixi offers three types of email automation to send custom invoices for your Shopify orders.
1. [**Send via Shopify**](https://docs.helloastral.com/pixi/guides/shopify-email) - Add a link to your order in Shopify customer notification Emails.
 *(Available from Pro plan and above)*
2. [**Send via Pixi](https://docs.helloastral.com/pixi/guides/pixi-email) **- Send a separate automatic email with custom email body and order PDF as attachment. *(Available from Business plan and above)*
3. [**Send via SMTP configuration**](https://docs.helloastral.com/pixi/guides/smtp-email) - Send a separate automatic email with custom mail ID, custom email body and order PDF as attachment. *(Available from Business plan and above)*
4. [**Send manually/Quick send](https://docs.helloastral.com/pixi/guides/email-quick-send) **- You can send invoice mail manually from pixi orders page ->  3 dots and  Shopify Admin order details page -> More actions. *(Available from Business plan and above)*
5. [**Flow Integration**](https://docs.helloastral.com/pixi/guides/flow-integration) - Pixi allows you to integrate with Shopify flow app and send invoice mail. *(Available from Business plan and above)*