Re: [courier-users] Filtering question ...

On Jun 3, 2005, at 6:27 AM, Thomas von Hassel wrote:

> Now, how do i filter/ristrict my mail flow, so that mail from the
> filter and mail from my clients for relay get acceptet, but mail
> from the outside to the domains hosted on the mail server get's
> bounced, or redirected to the filter ?

As Sam and Jay suggested, I'd set AUTH_REQUIRED=1 in esmtpd. You can
avoid messing with the filter's configuration by adding its IP
address to etc/courier/smtpaccess/whitelist with AUTH_REQUIRED=0,
like this:

192.168.2.3 allow,AUTH_REQUIRE=0

Run "makesmtpaccess" to rebuild the dat file, and then restart
esmtpd. Everyone except for your filter will be required to
authenticate.

You can also add the networks or IP addresses of other trusted hosts,
for which you want to relay mail without requiring authentication.
You just need to add the RELAYCLIENT setting along with AUTH_REQUIRE=0.



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