# Flow Transactional Email

> Documentation for Flow Transactional Email

## App

### Changelog

- [Update 31.05.2026](https://docs.flow-action-extensions.app/update-31-05-2026): Send transactional emails reliably using Microsoft 365 and Google Workspace as email providers. Flow Transactional Email supports secure OAuth 2.0 authentication, allowing you to send emails on behalf of your organization without storing passwords.

### OAuth Email provider

- [Use Google to send transactional emails in Shopify Flow](https://docs.flow-action-extensions.app/use-google-to-send-transactional-emails-in-shopify-flow): Send transactional emails in Shopify Flow using your Google Workspace account. With Flow Transactional Email, you can automate order confirmations, notifications, customer updates, invoices, and other business emails directly from Shopify Flow. Secure OAuth 2.0 authentication ensures reliable email delivery on behalf of your organization.
- [Automate Transactional Emails in Shopify Flow with Microsoft 365](https://docs.flow-action-extensions.app/automate-transactional-emails-in-shopify-flow-with-microsoft-365): Extend Shopify Flow with Microsoft 365 email automation. Flow Transactional Email lets you send transactional emails directly from your Shopify Flow workflows, including order confirmations, shipping updates, customer notifications, invoices, and internal alerts.


### SMTP Email provider

- [Send Email from Shopify Flow with Custom SMTP Configuration](https://docs.flow-action-extensions.app/send-email-from-shopify-flow-with-custom-smtp-configuration): Learn how to configure custom SMTP, design an email template, and send transactional emails from Shopify Flow for VIP customers.

### Getting started

- [Introduction of Flow Transactional Email](https://docs.flow-action-extensions.app/introduction-of-flow-transactional-email): Learn how to send transactional emails in Shopify Flow using Flow Transactional Email. Automate order confirmations, shipping notifications, customer updates, invoices, and internal alerts directly from your Shopify workflows. Create personalized HTML or plain text emails, add attachments, and streamline business processes with powerful email automation.
- [Make an HTTP Request](https://docs.flow-action-extensions.app/make-an-http-request): Learn how to send HTTP requests from Shopify Flow on any Shopify plan using Flow Action Extensions, with a step-by-step Airtable example.