Hi,

I have installed a Courier Mailserver on FreeBSD 5.1. It`s ok, but I have a
problems with DNS. :o( All emails are blocked and in the mailog is a message ..
for example:

courieresmtpd: error,relay=::ffff:62.168.57.203,from=<abct...@post.cz>: 417 DNS
lookup failure: post.cz. Try again later.

I don`t know, where the problem is. I configure it with: # ./configure --disable-root-check --prefix=/chroot/mail --with-mailuser=courier
--with-mailgroup=courier --enable-unicode --without-tcpddns
--enable-mimetypes=/chroot/httpd/etc/apache2/mime.types

--without-tcpddns - for first time i configure it without this option, but it
doesn`t work

--enable-mimetypes=/chroot/httpd/etc/apache2/mime.types - when I missed this
option, i got an error that the mime types can not be found. This path is to the
one file in my system..

The computer, where mailserver running is pernamently online. Please help me :/
thx

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