Description: Specifies whether the router should return delivery status notifications (DSNs) for messages received over SMTP with null RFC 821 reverse paths.

0 - Don't return a failed DSN. Create the non-delivery report, but mark it as DEAD. The Administrator can then delete these messages or release them.

1 - Create and send the delivery status notification.

2 - Do not create a delivery status notification.

Default: 0

UI equivalent: None

See also

Editing the NOTES.INI file
NOTES.INI Settings

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