Mailaccess.txt | Us

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

Following the principles outlined in NIST SP 800-177 Revision 1 , this specification prioritizes: US MAILACCESS.txt

Deployment of TXT records in the DNS to mitigate Man-in-the-Middle (MITM) attacks during mail transport. Internal Draft / Preliminary Configuration Format:

The .txt file should include the following parameters for mail access control: US MAILACCESS.txt

IP ranges and domains permitted for direct relay.

Below is a draft technical overview based on the structure of standard IETF mail access drafts like draft-ietf-imap-imap4-06 and draft-ietf-emailcore-as-26 .