- Add @git.zone/tsrust with linux_amd64/linux_arm64 cross-compilation
- Scaffold Rust workspace with 5 crates: mailer-core, mailer-smtp, mailer-security, mailer-napi, mailer-bin
- Fix all TypeScript compilation errors for upgraded dependencies (smartfile v13, mailauth v4.13, smartproxy v23)
- Replace smartfile.fs/memory with @push.rocks/smartfs throughout codebase
- Fix .ts import extensions to .js for NodeNext module resolution
- Update DKIMSignOptions usage to match mailauth v4.13 API
- Add MTA error classes with permissive signatures for legacy SMTP client
- Replace removed DcRouter/StorageManager/deliverability imports with local interfaces
- Added IPReputationChecker class for checking and caching IP reputation scores.
- Introduced IReputationResult interface and ReputationThreshold enum for reputation scoring.
- Implemented DNSBL checks and IP information retrieval within the IP reputation checker.
- Created SecurityLogger class for logging security events with various log levels and event types.
- Defined ISecurityEvent interface for structured logging of security events.
- Updated index.ts to export new classes and types for security module.
feat(email): implement EmailSendJob class for robust email delivery with retry logic and MX record resolution
feat(mail): restructure mail module exports for simplified access to core and delivery functionalities
