* [Feature] Redis TLS: Configurable TLS connections in Redis backend
* [Feature] Map helpers alignment: Enforce 64-byte alignment to prevent unaligned memory access
* [Feature] Enhanced CLI for secretbox with additional security test coverage
- * [Feature] Vault: Add support for HashiCorp Vault KV version 2 for DKIM key management
* [Fix] MIME encoding: Major overhauls and multiple fixes for MIME encoding logic
* [Fix] MIME encoding: Improved handling and decoding of UTF-8 in MIME headers
* [Fix] Learning system: Numerous fixes to learn checks and autolearn flag handling