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

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

Known malicious sources to be summarily declined. Implementation of specialized commands (e

Support for enhanced search and mailbox management as detailed in draft-ietf-extra-imap4rev2-30 . Implementation of specialized commands (e.g.

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