Check smtprelay.tab, if a connection comes from outside of the subnets
listed then they have to authenticate to relay. You don't want to use
smtp.ipmap.tab or you will restrict other mail servers from connecting
and delivering mail to your server.
Bill
>----------
>From: Anne William[SMTP:[EMAIL PROTECTED]]
>Sent: Wednesday, June 27, 2001 2:23 AM
>To: [EMAIL PROTECTED]
>Subject: Antirelay, IP and authentification
>
>Hello,
>
>Here again I'm lost.
>I would like to restrict SMTP input like this:
>
>All connections from our class C is allowed to use the
>SMTP without authentification. This is clear with SMTP.IPMAP.TAB.
>
>Now if someone connects from another class, he needs to authenticate to
>relaying. But I don't want to setup this for all our users one by one, can it
>is
>possible to tell XMail to perform this?
>
>For now I'm rejected from an external ISP because of
>
>"0.0.0.0" "0.0.0.0" "DENY" 1
>
>In SMTP.IPMAP.TAB. If I suppress the line, the SMTP is wide opened,
>too dangerous.
>
>Thank you again.
>
>Anne.
>
>