Cozy vs mailcow
A side-by-side comparison of two self-hosted apps from related categories
— licensing, setup difficulty, resource needs, and what each one
replaces.
Not the right match-up?
Compare Cozy with
choose an app… Calcom Calendar Docker Mailserver Mail-in-a-Box Stalwart Mail Server Mailu Maddy Mail Server Mox Rallly Colanode Radicale Easy!Appointments Modoboa Baïkal emailwiz SOGo Twake Workplace iRedMail ZenTao Nextcloud Deck Nextcloud Groupware Twake Drive chasquid Davis Openmeetings EGroupware Group-Office Horde Groupware DAViCal Kolab Groupware Kontact Feng Office Citadel Kopano Groupware Core Tine Cozy Contacts
Compare mailcow with
choose an app… listmonk Docker Mailserver Mailspring Postal MailHog Mail-in-a-Box Stalwart Mail Server 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 SOGo WildDuck Mailvelope iRedMail Cypht SnappyMail Forward Email Cuttlefish DebOps swaks parsedmarc PostfixAdmin Dovecot Nextcloud Groupware 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 EGroupware msmtp fdm Group-Office DragonFly Mail Agent Horde Groupware Claws Mail Fetchmail DAViCal HyperKitty Kolab Groupware piler Postorius Nullmailer getmail6 OpenDMARC OpenDKIM bogofilter Citadel Schleuder Dovecot Pigeonhole Kopano Groupware Core Tine DKIMpy Milter mpop Courier Mail Server Afterlogic DAV b1gMail Dovel EmailRelay Inboxen Sendmail Sendy SquirrelMail
Feature Cozy mailcow Category Groupware Mail Servers License AGPL-3.0 GPL-3.0 Language Go JavaScript Setup difficulty Hard Medium Min. RAM 1,024 MB 6,144 MB Deployment docker, source docker GitHub stars ★ 1,272 ★ 13,245 First released 2016 2016 Replaces Google Workspace Microsoft Exchange, Google Workspace
Why pick each one
Choose Cozy if… Released under the AGPL-3.0 license First-class Docker support for quick deployment Active community (1.3k GitHub stars) Written in Go Cozy details Choose mailcow if… All components preconfigured Active community mailcow details
Frequently asked questions Is Cozy or mailcow better? mailcow is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Cozy if its specific feature set fits your needs better.
Are Cozy and mailcow free and open-source? Yes. Cozy is licensed under AGPL-3.0 and mailcow under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Cozy and mailcow with Docker? Cozy: yes. mailcow: yes.