Us Mailaccess.txt -

Known malicious sources to be summarily declined.

Deployment of TXT records in the DNS to mitigate Man-in-the-Middle (MITM) attacks during mail transport. US MAILACCESS.txt

Implementation of specialized commands (e.g., DMTP) allowing receivers to categorize and decline messages from unverified senders, similar to draft-duan-smtp-receiver-driven-02 . 4. Configuration Directives Known malicious sources to be summarily declined

This draft assumes familiarity with ARPA standard mail formats (RFC 5321/5322). It is intended to be used in conjunction with localized firewall rules to restrict access to proprietary mail servers, especially for systems that require specific restricted IP source addresses or browser-based logins. Internal Draft / Preliminary Configuration Format:

Internal Draft / Preliminary Configuration Format: .txt (Plain Text) Subject: Unified Access Control for Mail Delivery and Retrieval 1. Introduction

Mandatory use of TLS for both SUBMISSION (port 587) and IMAPS (port 993) to protect data in transit. 3. Protocol Compatibility

Support for enhanced search and mailbox management as detailed in draft-ietf-extra-imap4rev2-30 .