Alternatives
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Papercut SMTP -- The Simple Desktop Email Server
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/mailinaboxThe classic email sending library for PHP
$ npx skills add PHPMailer/PHPMailer✉️ Composable all-in-one mail server.
$ npx skills add foxcpp/maddySend email in Python conveniently for gmail using yagmail
$ npx skills add kootenpv/yagmailA cross-platform .NET library for IMAP, POP3, and SMTP.
$ npx skills add jstedfast/MailKita mailer library for Rust
$ npx skills add lettre/lettreA .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.
$ npx skills add jstedfast/MimeKitDovecot mail server
$ npx skills add dovecot/core:white_check_mark: A Go library for email verification without sending any emails.
$ npx skills add AfterShip/email-verifierThe open-source communication infrastructure for agents and products
$ npx skills add novuhq/novu:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.
$ npx skills add Foundry376/Mailspring一键自动化 下载、安装、激活 Office 的利器。
$ npx skills add OdysseusYuan/LKY_OfficeToolsBillionMail 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/BillionMail💌 Build and send emails using React
$ npx skills add resend/react-emailMJML: the only framework that makes responsive-email easy
$ npx skills add mjmlio/mjmlA Cloudflare-based email service | 基于 Cloudflare 的邮箱服务 | Cloudflare Email 邮箱 Mail
$ npx skills add maillab/cloud-mailHow 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 Papercut SMTP 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.