From: Wietse Venema (wietseporcupine.org)
Date: Thu Jan 01 2004 - 15:23:39 CST

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Jon Langton:
> Alright. I get this error message in /var/log/maillog: warning:
> dict_nis_init: NIS domain name not set - NIS lookups disabled

Please, choose a proper SUBJECT: and start a new thread when
asking an unrelated question.

> Can NIS checks be disabled?

    postconf | grep nis

will reveal any NIS dependencies.

        Wietse

> -----Original Message-----
> From: Magnus B?ck [mailto:magnusdsek.lth.se]
> Sent: Thursday, January 01, 2004 12:21 PM
> To: postfix-userspostfix.org
> Subject: Re: postfix not checking header_checks file
>
>
> On Thu, Jan 01, 2004 at 11:57:35AM -0700,
> Jon Langton <JLangtonfastaff.com> wrote:
>
> > I entered my mail server into www.ordb.org and verified that I am not an
> > open relay yesterday.
>
> Nope, that's not the problem. The problem is that you're accepting mail
> for users that do not exist, causing Postfix to have to send out
> bounces. Use the relay_recipient_maps feature of Postfix 2.0+ to let
> Postfix reject such mail instead. How to extract valid recipients from
> MS Exchange has been covered on this list numerous times before, and is
> also described on a web page (can't remember the URL).
>
> [...]
>
> --
> Magnus B?ck
> magnusdsek.lth.se

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