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Self-hosted email server for 2026

single binary, CalDAV. Self-hosted personal email server with IMAP, SMTP, CalDAV/CardDAV. Privacy-focused alternative to Gmail/Outlook. Features: auto-TLS, DKIM/SPF/DMARC, greylisting, Prometheus metrics, audit logging. Built this after getting frustrated with the paying to a google for email.

Self-hostedOpen source

41 stars · GitHubexternal siteArchived

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