EMail Awesome

Server

• iRedMail
• mail-in-a-box/mailinabox
  • CC0-1.0
• docker-mailserver/docker-mailserver
• foxcpp/maddy - all-in-one mail server
  • GPLv3, Golang
• tomav/docker-mailserver
• Mailu/Mailu
  • MIT, Python
  • https://mailu.io/master/demo.html
• modoboa/modoboa
  • ISC, Python
  • Mail hosting made simple
• albertito/chasquid
  • Apache-2.0, Golang
  • SMTP (email) server.
  • 特性
    • Easy to configure.
    • Hard to mis-configure in ways that are harmful or insecure (e.g. no open relay, or clear-text authentication).
    • Tracking of per-domain TLS support, prevents connection downgrading.
    • International usernames (SMTPUTF8) and domain names (IDNA).
    • Hooks for easy integration with greylisting, anti-virus and anti-spam.
    • Multiple domains, with per-domain user database and aliases.
    • Multiple TLS certificates.
    • Suffix dropping (user+something@domain → user@domain).
    • Easy integration with Let's Encrypt.
    • SPF checking.
    • Monitoring HTTP server, with exported variables and tracing to help debugging.
    • Supports using Dovecot for authentication (experimental).
• lavabit/magma
  • C
  • SMTP, POP, IMAP, HTTP, MOLTEN
• dovecot/core
  • IMAP server
  • https://doc.dovecot.org/
• tutao/tutanota
  • end-to-end encrypted mail client
• vdukhovni/postfix
  • IBM Public License, Eclipse Public License
  • https://www.postfix.org/postconf.5.html
• OpenSMTPD
• lavabit/magma
  • AGPLv3, C
• Webmail
  • roundcube/roundcubemail
    • GPLv3, PHP
• Spam
  • greylisting
  • spamassassin
• Policy
  • http://postgrey.schweikert.ch/
• Z-Hub/Z-Push
  • PHP
  • ActiveSync
• https://poste.io/
  • SMTP + IMAP + POP3 + Antispam + Antivirus
  • Web administration + Web email

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• Protocol
  • SMTP - Simple Mail Transfer Protocol
  • POP - Post Office Protocol
  • IMAP - Internet Message Access Protocol
  • JMAP - JSON Meta Application Protocol
• Spam
  • Bayesian spam filtering
• MTA - mail transfer agent - Message transfer agent
• Comparison of mail servers
• List of mail server software

Client

Templat

• sofn-xyz/mailing
  • MIT, TS
  • Build, test, send emails with React

Library

• emersion/go-imap
• haraka/Haraka
  • MIT, JS
  • SMTP server
• jordwest/imap-server

FAQ

• DMARC Domain-based Message Authentication Reporting and Conformance
  • https://www.cloudflare.com/zh-cn/learning/dns/dns-records/dns-dmarc-record/