listmonk vs Mailspring
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 Postal MailHog Mail-in-a-Box Stalwart Mail Server mailcow Mautic Mailpit Mailpile Mailu 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 Mailspring with
choose an app… Docker Mailserver Postal MailHog Mail-in-a-Box Stalwart Mail Server mailcow Mautic Mailpit Mailpile Mailu 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
Feature listmonk Mailspring Category Mail Servers Mail Servers License AGPL-3.0 GPL-3.0 Language Go JavaScript Setup difficulty Easy Easy Min. RAM 512 MB 512 MB Deployment docker, binary, source binary, source GitHub stars ★ 22,670 ★ 17,730 First released 2020 2017 Replaces Mailchimp, Sendinblue Outlook, Apple Mail
Why pick each one
Choose Mailspring if… Released under the GPL-3.0 license Easy to set up — beginner-friendly Mature project with 17.7k GitHub stars Written in JavaScript Mailspring details
Frequently asked questions Is listmonk or Mailspring better? Neither is universally better. listmonk has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are listmonk and Mailspring free and open-source? Yes. listmonk is licensed under AGPL-3.0 and Mailspring under GPL-3.0. Both can be self-hosted at no software cost.
Can I run listmonk and Mailspring with Docker? listmonk: yes. Mailspring: check the project docs for container support.