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
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. US MAILACCESS.txt
Mandatory use of TLS for both SUBMISSION (port 587) and IMAPS (port 993) to protect data in transit. 3. Protocol Compatibility Implementation of specialized commands (e
IP ranges and domains permitted for direct relay. It is intended to be used in conjunction
Support for enhanced search and mailbox management as detailed in draft-ietf-extra-imap4rev2-30 .
Support for secure handshake protocols, ensuring that only authenticated clients can query the mail store.
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 .