Peter Fraser: > I believe what happened is the testing software they used tried to send an > email out using an empty domain and Postfix accepted it. I did it manually to > verify from the commandline > MAIL FROM: <> > RCPT TO: an email address > DATA > Blablabla > . > Postfix queued up this email and sent it out.
And Postfix would be the same if you had specified a different sender address. Wietse