these addresses are not subscribers of the List (subscription= owner) so why/how are their names in the "Daily error monitoring report" ? regards jacky Err First Last Address --- ----- ----- ------- 1 01/25 01/25 [log in to unmask] Last error: Mailer mailer.TEMA.GU.SE said: "550 5.1.1 user [log in to unmask] not known" 1 01/28 01/28 [log in to unmask] Last error: Mailer mail.freeparking.co.kr said: "550 5.7.1 <[log in to unmask]>... Relaying denied"