Alternatives
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
E-mail delivery library for Rust with DKIM support
Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.
$ npx skills add mail-in-a-box/mailinaboxA cross-platform .NET library for IMAP, POP3, and SMTP.
$ npx skills add jstedfast/MailKitThe classic email sending library for PHP
$ npx skills add PHPMailer/PHPMailer:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.
$ npx skills add Foundry376/MailspringBillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr
$ npx skills add Billionmail/BillionMailA Cloudflare-based email service | 基于 Cloudflare 的邮箱服务 | Cloudflare Email 邮箱 Mail
$ npx skills add maillab/cloud-mailInsular email distribution - mail server as Docker images
$ npx skills add Mailu/MailuThe open-source communication infrastructure for agents and products
$ npx skills add novuhq/novu💌 Build and send emails using React
$ npx skills add resend/react-emailMJML: the only framework that makes responsive-email easy
$ npx skills add mjmlio/mjmlThunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
$ npx skills add thunderbird/thunderbird-androidA Privacy-first, Cross-platform Text Expander written in Rust
$ npx skills add espanso/espanso✉️ Send e-mails with Node.JS – easy as cake!
$ npx skills add nodemailer/nodemailerExperience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord
$ npx skills add Mail-0/ZeroLow code web framework for real world applications, in Python and Javascript
$ npx skills add frappe/frappe🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
$ npx skills add logto-io/logtoHow to choose
Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Mail Send if it already passes your workflow test and repository review.
Next step
Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.