Product Area: Server  Technical Area: Messaging/MIME Platform: Cross Platform
SPR# BRISDT4J43 - Server - Mail - Fixed an issue where Delivery Status Notifications (DSNs) generated by Domino were not RFC 3464 compliant with regard to the To header. RFC 3464 describing DSNs indicates the message To header of the DSN must be addressed to the envelope return address of the original SMTP message. The Router by default will instead use the header From address of the original message. Enabling the notes.ini MailEnableDSNToHeader=1 on mail routing servers will change this behavior to adhere to RFC 3464.
ServiceNow Case #:CS1431561
Last Modified on 07/15/2026 |  |
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