>Try e-mailing with an ARPA % hack notation e.g., > >to: [log in to unmask] Pete, Thanks for your help. I tried your suggestion and got the same message. I noticed this aspect of it in particular: > >The enclosed mail file has been identified as a delivery error for list >GIRLFRIEND! because it was sent to the reserved 'owner-girlfriend!' mailbox. > Do you have any insights? With the other user with whom I have his problem the message says "user unknown" so perhaps I have part of the address wrong, something should be capped that isn't, maybe. With igc., I get "service unavailable". I'll try them without the bang at the end of the listname. Again, many thanks! Lett Proctor