FlowPost Tutorial

Last updated: July 13, 2026

Follow these steps to send your first transactional email with FlowPost and Shopify Flow.

1. Install the apps

1. Install Shopify Flow from the Shopify App Store.
2. Install FlowPost and open it from Apps in Shopify Admin.

2. Connect an email provider

1. In FlowPost, open Settings.
2. Choose a provider (SMTP or API provider such as Resend, SendGrid, Mailgun, Postmark, Amazon SES, Google Workspace, or Microsoft 365).
3. Enter credentials / API keys and save.
4. Optionally configure a fallback provider.
5. Use Test send to confirm delivery.

3. Create a Flow workflow

1. Go to Shopify Admin → Flow.
2. Create a workflow (example trigger: Order created).
3. Add the action Send transactional email (FlowPost).
4. Fill To, Subject, and HTML body—or paste content from FlowPost → Templates.
5. Optionally set From email, Reply-to, and Attachment URLs (HTTPS links).
6. Turn the workflow on.

4. Verify

1. Place a test order (or run the workflow manually if available).
2. Confirm the email arrives in the inbox.
3. Open FlowPost → Logs to see send status.
4. On Growth / Scale, configure provider delivery webhooks in Settings so status updates to delivered / bounced.

Tips

• Authenticate your sending domain (SPF/DKIM) with your email provider.
• Use a real From address on a domain you control.
• For billing and plan limits, open FlowPost → Pricing.
• Scale includes priority processing (more concurrent sends under load).

FlowPost by AVOITS. Support: info@avoits.com.