listmonk vs Mailu
A side-by-side comparison of two self-hosted mail servers options
— licensing, setup difficulty, resource needs, and what each one
replaces.
Not the right match-up?
Compare listmonk with
choose an app… Docker Mailserver Mailspring Postal MailHog Mail-in-a-Box Stalwart Mail Server mailcow Mautic Mailpit Mailpile Roundcube Himalaya SimpleLogin MailCatcher Maddy Mail Server Mox Mailtrain Haraka AnonAddy RainLoop imapsync smtp4dev NeoMutt Modoboa aerc Dittofeed Rspamd Keila emailwiz SendPortal WildDuck Mailvelope iRedMail Cypht SnappyMail Forward Email Cuttlefish DebOps swaks parsedmarc PostfixAdmin Dovecot Apache James Nextcloud Mail chasquid Sup Betterbird imapfilter OpenTrashmail notmuch Sieve Editor meli phpList Exim alot alps Lieer Cyrus IMAP OfflineIMAP Larch OpenSMTPD Postfix ViMbAdmin Chatmail Mailman isync MailWhale Afterlogic WebMail Lite afew Apache SpamAssassin Sympa Simple NixOS Mailserver msmtp fdm DragonFly Mail Agent Claws Mail Fetchmail HyperKitty piler Postorius Nullmailer getmail6 OpenDMARC OpenDKIM bogofilter Schleuder Dovecot Pigeonhole DKIMpy Milter mpop Courier Mail Server Afterlogic DAV b1gMail Dovel EmailRelay Inboxen Sendmail Sendy SquirrelMail
Compare Mailu with
choose an app… Nextcloud Docker Mailserver Mailspring Postal MailHog Mail-in-a-Box Stalwart Mail Server mailcow Mautic Mailpit Mailpile CryptPad Roundcube Himalaya SimpleLogin ONLYOFFICE Docs MailCatcher Maddy Mail Server Mox Mailtrain Haraka AnonAddy RainLoop imapsync smtp4dev NeoMutt Modoboa Collabora Online OnlyOffice Community Server emailwiz SOGo iRedMail Cozy Nextcloud Groupware chasquid LibreOffice Online Calligra Suite EGroupware Group-Office Citadel Tine
Feature listmonk Mailu Category Mail Servers Mail Servers License AGPL-3.0 MIT Language Go Python Setup difficulty Easy Medium Min. RAM 512 MB 2,048 MB Deployment docker, binary, source docker, kubernetes GitHub stars ★ 22,670 ★ 7,443 First released 2020 2016 Replaces Mailchimp, Sendinblue Google Workspace, Microsoft 365
Why pick each one
Choose Mailu if… Lighter than mailcow Kubernetes support Mailu details
Frequently asked questions Is listmonk or Mailu better? listmonk is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Mailu if its specific feature set fits your needs better.
Are listmonk and Mailu free and open-source? Yes. listmonk is licensed under AGPL-3.0 and Mailu under MIT. Both can be self-hosted at no software cost.
Can I run listmonk and Mailu with Docker? listmonk: yes. Mailu: yes.