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Anti-Spam

New Internal Processing

Redesigned and documented. Solves any problems and downsides of bypasses, access modes, multiple recipients issues, content filter collisions and more.

Hits and Spamassassin Score Separated

Anti-Spam Hits and Spamassassin Score are now two separate values, logged independently in logs and header reports, to allow easier analysis and fine tuning.

Smarter Behavior of Address Book Whitelists

Increased protection from emails with forged From through Mail Service - Security - General - Security Reject if originator's domain is local and not authorized. Now checks both From and the From header and in case either of these contains local, non-authenticated recipient, it skips all whitelists and bypasses (DB whitelist, IM roster whitelist). If SpamSkipBypassLocalUntrusted option (enabled by default) takes action, whitelist is skipped even if message should be quarantined.

New Spam Reports

DB driven, new Quarantine API, new scripts, automatic engine URL, single user/domain/ domain alias support, speed, performance and memory optimizations, handles thousands of accounts, adds logging. System URI's were updated from /challenge/ to /reports/.

Distributed Domains

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NOTE: Anti-Spam is not performed for external recipients of distributed domains, this can be disabled by API variable C_AS_BypassDistributedDomain (set to 0). If disabled, Anti-Spam is performed provided that it is set for outgoing messages.

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Learning Rules – EML Support

Also .eml files sent to learning rule accounts are processed accordingly.

Extended Logging

See the real recipient action, multiple recipient messages logged separately.

Asian Bayes

Optimized for handling Chinese, requires teaching, Asian Spamassassin recommended.