Greetings list owner guru's. Can someone explain this error message: The enclosed message, found in the LISTNAME-L mailbox and shown under the spool ID 206350 in the system log, has been identified as a possible delivery error notice for the following reason: "X-Report-Type:" field found in the mail header. ----------- Looking at the header, I don't see anything about wrong. I attached a portion of the header for better investigation: Errors-To= Owner Subscription= By Owner,Confirm Ack= no Confidential= Yes Notify= No Files= No Mail-Via= Distribute Validate= Yes Reply-to= List,Respect Review= Private,Owner Send=Private Stats= Normal,Private X-Tags= No Default-Options= NoFiles,Repro Sizelim= 30000