My better half has change ISP provider now with o2. When I mai her I keep getting the following errors. Any thoughts suggestions? Cheers ShiftZZ This Message was undeliverable due to the following reason: Each of the following recipients was rejected by a remote mail server. The reasons given by the server are included to help you determine why each recipient was rejected. Recipient: <firstname.lastname@example.org> Reason: RCPT TO:<email@example.com> Relaying not allowed - please use SMTP AUTH Please reply to <Postmaster@ispmail.ntl.com> if you feel this message to be in error.