Receive and debug emails sent from your development environment inside a beautiful, self-contained desktop application
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Updated
Apr 16, 2025 - PHP
Receive and debug emails sent from your development environment inside a beautiful, self-contained desktop application
Transform your HTML emails.
Email development techniques for singling out email clients and platforms.
Reference for Responsys Personalization Language (RPL)
📥️🏣️🏤️📮️📖️ The official documentation source repository for the EMAIL 2.0 Postoffice (core/suite) specification
📥️🛢️📧️📖️ The official documentation source repository for the EMAIL 2.0 TackleBox (Phishing containment box) specification.
📥️🏣️🏤️📮️💾️ The official source repository for the EMAIL 2.0 Postoffice (core/suite) specification
EmailTools
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Send transactional emails in Rust using just code 🦀
Develop emails with "opinioned" stuffs like MJML, different template engines, YML variables and fast browser refresh
Send transactional emails in PHP using just code
Lint HTML email for client compatibility — locally, no render farm. Flags CSS/HTML that breaks in Outlook (Word engine) & Gmail clipping at 102KB, against a bundled caniemail-derived support matrix. Deterministic CLI, JSON/MD reports.
Send transactional emails in JavaScript / TypeScript using just code
Designed and created custom Email newsletters for personal and consumer brands.
Local email template sandbox. Clone, start, preview. Docker + Mailpit + Jinja2
Email development platform with VS Code extension for mobile preview and Outlook compatibility
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