Dodgy email

Does anyone recognize any of the names in the following extract : ------------------------- Could not deliver Message to ------------------------- CN=??r J Rodriguez/O=almenna kerfisfraedistofan@almenna kerfisfraedistofan User ??r J Rodriguez/almenna kerfisfraedistofan@almenna kerfisfraedistofan not ------------------------- I am getting this whenever I send a message to the mailing list. I am told that the names are not in the list explicitly. Does anyone have them in a sub-list ? Or recognize them from anwhere else ? Richard.