Today we have released Rspamd 3.10.0; the most important new features and fixes are highlighted below.

Features

MIME UTF8 support:

Rspamd now correctly processes MIME UTF8 messages and doesn’t penalize them

Support for negative group score limits

Added the ability to set a negative group score limit using the min_score parameter.

Per key fuzzy ratelimit rules

It is now possible to set specific ratelimits and expiration for individual fuzzy encryption keys

Detect CPU using __builtin_cpu_supports where it’s possible

More portable way in some specific configurations

Sender Reputation Improvements:

Added SenderScore Reputation RBL and RPBL return codes to improve sender reputation checks.

Better OpenSSL 3.0 Support:

Introduced full support for OpenSSL 3.0, including integration for DKIM (DomainKeys Identified Mail).

Command Additions:

• Added rspamadm secretbox command for secret key encryption/decryption.
• Added tooling to allow string encryption in Lua scripts.

DMARC Enhancements:

• Implemented a new reporting.only_domains setting for more granular DMARC reporting.

Fixes

• Fixes for ARC and DMARC by @JasonStephenson and @spacefreak86
• Fix Redis scripts uploading when Redis is not ready
• Fixes for Redis configuration schema
• Removed broken control block support
• Fixed DCC rep handling
• Fixed learning of empty tasks
• ICAP: encode constructed path to be URL safe by @oliyks
• Improved error reporting in lua_redis

Rules

Fixed and updated old rules to enhance overall system performance.

We extend our gratitude to everyone who contributed to this release.