> -----Original Message-----
> From: Gordon Messmer [mailto:[EMAIL PROTECTED]
> Sent: Monday, February 02, 2004 1:58 PM
> To: Bowie Bailey
> Cc: Courier-Users
> Subject: Re: [courier-users] SMTP authentication
>
>
> Matthew Wilson wrote:
> >>
> >> So...
> >> - The filtering server should be able to connect without
> >> authentication
> >> - The filtering server should NOT be able to relay
> >> - Everyone else should be required to authenticate
> >
> > It sounds like the mail from the filtering server will all be
> > destined for your user server, so you should not need any special
> > setup. Courier will accept mail for addresses that it is configured
> > to accept mail for. Just don't put your user server in DNS as an
> > MX, that's easy.
>
> And if you're paranoid about enforcing this, the default configuration
> files /explicitly/ state that it's possible to do so. Quoted:
>
> > # Set AUTH_REQUIRED to 1 in order to force the client to use ESMTP
> > # authentication. You can override AUTH_REQUIRED on a
> > per-IP address basis
> > # using smtpaccess. See makesmtpaccess(8).
>
> So, set AUTH_REQUIRED to 1 in esmtpd and then add a line in
> smtpaccess/default like so:
>
> 192.168.12.12 AUTH_REQUIRED=0
Perfect, thanks!
The default config says that it is possible to override it and says "See
makesmtpaccess(8)". However, the man page for makesmtpaccess does not
mention the AUTH_REQUIRED setting, just an easily-missed note:
"the generic format of the access file allows arbitrary environment
variables to be set"
So unless you realize that AUTH_REQUIRED is one of these environment
variables, you don't know what to do. Perhaps a bit more explanation
should be put in either the config file or the man page.
Bowie
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