Mailmeteor: Redefining Mass Personalisation in Email Marketing Abstract Mailmeteor has emerged as a significant player in the email marketing software landscape by prioritizing simplicity, privacy, and deep integration with existing productivity suites. Founded in 2018 at STATION F in Paris, the platform addresses the historical friction between sending mass communications and maintaining human-centric personalization. This paper examines Mailmeteor's core functionalities, its strategic integration within the Google Workspace and Microsoft Outlook ecosystems, and its evolution from a basic mail merge add-on to a comprehensive automation platform. Introduction The challenge of modern email marketing lies in balancing scale with authenticity. Traditional mass-emailing tools often feel impersonal or require complex configurations that alienate non-technical users. Mailmeteor was developed by Corentin Brossault and Jean Dubrel as a "privacy-focused and affordable" alternative designed to work natively where users already manage their data—specifically within Google Sheets and Gmail. Core Functionalities and User Experience Mailmeteor’s value proposition is centered on several key pillars: 13 sites Mailmeteor joins the Recommended for Google Workspace program 14 Jun 2022 —