Postfix rate limiter SMTP policy daemon
A Rust library for building mail filter (milter) daemons that integrate with Postfix
A highly parallel Perl 5 interpreter written in Rust
A pure-Rust fail2ban replacement. Single static binary, fast two-phase matching, nftables/iptables firewall backends.
The Determinate Nix Installer
The first compiled Unix shell — bytecode VM, worker pool, AOP intercept, Rkyv caching
SMTP for AI agents. No middleman. Self-hosted mail server (AI Mail Exchange) with built-in MCP.