I've searched technet to no avail; I've got a 3-site 5.5(Sp4) org connected via smtp to another group of sites; different domain, one org.; no PF replicas on each other's sites other than org forms; very frequently, each or our servers with a Public store will send a message out to servers in the other site; that message will NDR and the NDR-ing server will log event 8524 (delivery of a message failed because the recipient was invalid), event 270 (A permanent error has occurred with...), and 290 (A non delivery report (reason code-transfer failure, diagnostic code-Undeliverable-mail-physical-delivery-address incorrect.
The NDR doesn't seem to end up in with the rest of the NDRs on either end. This e-mail and any files transmitted with it, are confidential to National Grid and are intended solely for the use of the individual or entity to whom they are addressed. If you have received this e-mail in error, please contact the National Grid USA Help desk on 508-389-3375. _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]

