defined for helping implement C86Net gateways.
D Destination Contains name of the system this message should
be sent to, for mail routing (private mail only).
+E Extended ID A persistent alphanumeric Message ID used for
+ network replication. When a message arrives that
+ contains an Extended ID, any existing messages which
+ contain the same Extended ID and are *older* than this
+ message should be deleted. If there exist any messages
+ with the same Extended ID that are *newer*, then this
+ message should be dropped.
G Gateway domain This field is provided solely for the implementation
of C86Net gateways, and holds the C86Net domain of
the system this message originated on. Unless you're
U Subject Optional. Developers may choose whether they wish to
generate or display subject fields. Citadel/UX does
not generate them, but it does print them when found.
-Z Zap (supersede) Indicates a message which this message supersedes.
- The format is "user@node" and if the specified message
- is found, it should be deleted.
EXAMPLE