RFC 6533

Internationalized Delivery Status and Disposition Notifications, February 2012

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RFC 5337
RFC 3461, RFC 3464, RFC 3798, RFC 6522
T. Hansen, Ed.
C. Newman
A. Melnikov
eai (app)

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DOI:  https://doi.org/10.17487/RFC6533

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Delivery status notifications (DSNs) are critical to the correct operation of an email system. However, the existing Draft Standards (RFC 3461, RFC 3464, RFC 6522) are presently limited to ASCII text in the machine-readable portions of the protocol. This specification adds a new address type for international email addresses so an original recipient address with non-ASCII characters can be correctly preserved even after downgrading. This also provides updated content return media types for delivery status notifications and message disposition notifications to support use of the new address type.

This document extends RFC 3461, RFC 3464, RFC 3798, and RFC 6522. [STANDARDS-TRACK]

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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