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    • smime

      Public
      A S/MIME implementation
      MIT License
      0000Updated Apr 24, 2026Apr 24, 2026
    • Relinquish delivery of mail when picked up from the active queue.
      C++
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • arf

      Public
      Parse ARF reports (rfc5965)
      MIT License
      2000Updated Apr 22, 2026Apr 22, 2026
    • Authentication-Results (rfc7001)
      MIT License
      1001Updated Apr 22, 2026Apr 22, 2026
    • backoff

      Public
      HSL functions to enable/disable backoff mode on sub-queues using dynamic queue policies.
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • HSL functions to enable backoff mode on sub-queues using dynamic queue policies based on responses from the bounce-classifier.
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • clamav

      Public
      ClamAV anti-virus client
      MIT License
      1000Updated Apr 22, 2026Apr 22, 2026
    • dmarc

      Public
      Domain-based Message Authentication, Reporting & Conformance (rfc7489)
      MIT License
      1200Updated Apr 22, 2026Apr 22, 2026
    • dsn

      Public
      Parse DSN reports (rfc3464 or rfc6533)
      MIT License
      0100Updated Apr 22, 2026Apr 22, 2026
    • eleven

      Public
      eXpurgate anti-spam client
      MIT License
      1000Updated Apr 22, 2026Apr 22, 2026
    • MSUI client plugin
      MIT License
      1000Updated Apr 22, 2026Apr 22, 2026
    • pgp-mime

      Public
      PGP/MIME encrypt/decrypt a MIME message.
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • sophos

      Public
      Sophos anti-virus and anti-spam clients
      MIT License
      1000Updated Apr 22, 2026Apr 22, 2026
    • srs

      Public
      Sender Rewrite Scheme
      MIT License
      1000Updated Apr 22, 2026Apr 22, 2026
    • arc

      Public
      Authenticated Received Chain (rfc8617)
      MIT License
      1100Updated Apr 22, 2026Apr 22, 2026
    • zip

      Public
      ZIP plugin
      C++
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • warmup

      Public
      IP warmup plugin
      C++
      MIT License
      1400Updated Apr 22, 2026Apr 22, 2026
    • Suspend delivery at certain times
      C++
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • Start the queue suspended
      C++
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • Check a suppression list file
      C++
      MIT License
      1000Updated Apr 22, 2026Apr 22, 2026
    • stdout

      Public
      Print message to stdout/stderr
      C++
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • sqlite

      Public
      SQLite client plugin
      C++
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • redis

      Public
      Redis client plugin
      C++
      MIT License
      1000Updated Apr 22, 2026Apr 22, 2026
    • rate

      Public
      Rate limiting client plugin
      C++
      MIT License
      0100Updated Apr 22, 2026Apr 22, 2026
    • A RabbitMQ message consumer
      C++
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • rabbitmq

      Public
      RabbitMQ publish plugin
      C++
      MIT License
      0100Updated Apr 22, 2026Apr 22, 2026
    • PostgreSQL database client
      C++
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • Halon client for policyd service
      C++
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • MaxMind GeoIP
      C++
      MIT License
      0000Updated Apr 22, 2026Apr 22, 2026
    • mariadb

      Public
      MariaDB (MySQL) database client
      C++
      MIT License
      1100Updated Apr 22, 2026Apr 22, 2026
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