On Sun, Jul 29, 2012 at 12:23 AM, Gmail-teopro <teo...@gmail.com> wrote: > Hi all, > > I've already finished a Postfix server setup with virtual users and Dovecot > as virtual transport. > I just cannot find out why MS Outlook fails the smtp test unless I check > the "Log on to incoming mail server before sending mail" on the More > settings/ Outgoing Server tab. > > > Thanks in advance for any hint you can help. > > > > -- > Best regards, > Gmail-teopro mailto:teo...@gmail.com >
You might have configured SMTP Authentication / POP Before SMTP in your mail server.
