Internet Assigned Numbers Authority

Delivery Status Notification (DSN) Types

Created
2002-11-07
Last Updated
2016-05-20
Available Formats

XML
HTML
Plain text

Registries included below

Address Types

Registration Procedure(s)
RFC Required
Reference
[RFC3461][RFC3464]
Available Formats

CSV
address-type Description Reference
rfc822 Internet Mail [RFC3461]
x400 X.400 Mail [RFC2156]
UTF-8 UTF-8 mail address [RFC6533]

Diagnostic Types

Registration Procedure(s)
RFC Required
Reference
[RFC3461][RFC3464]
Available Formats

CSV
diagnostic-type Description Reference
smtp Internet Mail [RFC3461][RFC3464][RFC6533]

MTA Name Types

Registration Procedure(s)
RFC Required
Reference
[RFC3461][RFC3464]
Available Formats

CSV
MTA-name-type Description Reference
dns Internet Mail [RFC3461]
x400 X.400 Mail [RFC2156]