Hello Again can anyone tell me which one of these is right for the sendmail.mc file, should I use define or FEATURE: define(`LUSER_RELAY', `host.domain.com') FEATURE(`LUSER_RELAY', `host.domain.com') Best Regards Michael Gatti Malbanet Serviços Online Caxias do Sul - RS - Brazil -- To unsubscribe: mail [EMAIL PROTECTED] with "unsubscribe" as the Subject.