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message notifications

RFCs

RFC 8098: Message Disposition Notification

Alaa 22 July 2026

Defines MDN (read receipt) format: the message a mail client sends when a message is read, deleted, or processed.

RFCs

RFC 3798: Message Disposition Notification

Alaa 22 July 2026

Previous MDN RFC. Obsoleted by RFC 8098 in 2017.