---
name: The Transactional Email Kit
category: BUILDS
format: 8 HTML EMAILS
url: https://probiex.gumroad.com/l/transactional-email-kit
audience: Solo SaaS founders and indie hackers wiring up lifecycle email.
updated: 2026-10-22
---

Eight production HTML emails: welcome, receipt, password reset, trial ending, payment failed, weekly digest, account closing, and reactivation, coded to render in Gmail and Outlook.

Full details and current price: https://probiex.gumroad.com/l/transactional-email-kit

**What do I get, and in what format?** A ZIP with the eight .html files and the cheat sheet, plus the PDF guide.

**Do the emails work in dark mode?** The design uses a dark panel with fixed light body text, which is the standard dark-safe pattern; the guide covers the details.