mailcow
Dockerized groupware and mail server suite with webmail
Alternative to: google workspace, gmail, microsoft 365, zoho mail, fastmail
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mailcow: dockerized bundles Postfix, Dovecot, Rspamd, ClamAV and the SOGo groupware webmail client into a complete, self-hosted email platform. It ships a custom web-based admin UI for managing domains, mailboxes, aliases and spam filtering, plus a full webmail interface with calendar and contacts, all deployed as a set of Docker containers.