259+ email tools for developers — transactional APIs, newsletter platforms, and drip campaigns. Alternatives to Mailchimp and SendGrid.
EmailHunter is a minimalistic Ruby wrapper for the Hunter.io API. It provides a straightforward inte
企业级自建邮件营销解决方案。支持直连投递、SMTP 中继、自动 DKIM/SPF 签名、子域名隔离及全可视化管理面板。昂贵 EDM 服务的完美替代品。Enterprise-grade Self-hos
Web-based software for email automation and marketing (newsletters, multi-stage mail campaigns, tran
Luke Smith's bash script to completely automate the setup of a Postfix/Dovecot/SpamAssassin/OpenDKIM server on debian
Awesome Opensource Email Resources
Send text/HTML emails with attachments to any SMTP server
📥 Turn your inbox into a kanban board.
Multi channel notification service for collaboration tools, e-commerce, news service and more.
Send, track, and receive emails
Email marketing skill for Claude Code. 55K words, 908 sources, 19 industry playbooks. Install the sk
An easy-to-use component-based build system for MJML, the email templating language, with Handlebars
Open-source, self-hosted & provider-agnostic email infrastructure.