As Drew said the bounce can be ignored -- but just for future reference look at the errors to header field all the way at the bottom of the bounce you sent: Errors-To: o+-hscioto-bounce+shaws=ohio.edu@rootsweb.com This header field will show you the actual subscribed address within the that field: shaws@ohio.edu Joan In a message dated 1/20/2012 8:40:04 A.M. Eastern Standard Time, jasche45133@gmail.com writes: I don't understand this bounce. shaws@oak.cats.ohiou.edu is not the address that is subbed to the list. The subbed address is shaws@ohio.edu