FlowPost: Transactional Email

Send branded transactional emails from Shopify Flow with your own SMTP, domain, and email provider, not basic Shopify notifications. FlowPost adds a Send transactional email action for order alerts, COD notices, B2B workflows, staff emails, and approvals with Liquid. Connect Any SMTP, Gmail, Microsoft 365, Amazon SES, Resend, SendGrid, Mailgun, or Postmark. Fallback, templates, attachments, and delivery logs for complete brand control and reliable Shopify Flow email automation.