Rspamd spam filter

Rspamd is an innovative and powerful spam filtering system designed to meet the escalating demands of high-traffic email environments. Written in C, Rspamd offers exceptional performance and speed, enabling it to process up to ten times more emails than traditional filters like SpamAssassin, all while maintaining low CPU load. Its architecture is finely tuned for efficiency, utilizing global and local optimization techniques that enhance message processing through methods like event-driven architecture and tailored state machines for email parsing.

Rspamd supports various modules, including antivirus, DKIM signing, and neural network-enhanced filtering, making it a flexible choice for diverse email environments. It can be configured easily, even on constrained devices, including embedded systems. Additionally, Rspamd's compatibility with plugins from SpamAssassin allows users to seamlessly transition from older systems without sacrificing performance.

As a community-driven project, Rspamd offers extensive documentation, tutorials, and support to help users maximize its capabilities, making it the go-to solution for modern email filtering needs.