In message <n1346517892.77728@yar.co.ru>, "Dmitry Dolgikh" writes:
>
>I have NetBSD 1.2 running on a Macintosh SE/30. What i'm trying to do is to se
>t up a mail exchanger for domain on it. There is also named running on it. 
>
>01673 >>> 554 MX list for yar.co.ru. points back to ns.yar.co.ru
>01673 >>> 554 <ddolgikh@yar.co.ru>... Local configuration error

Sendmail does not know to accept mail for 'yar.co.ru' as local. 
You need to either:

1) add 'yar.co.ru' to the Cw line in /etc/sendmail.cf, or

2) add 'yar.co.ru' to /etc/sendmail.cw and use Fw/etc/sendmail.cw in 
   sendmail.cf

Getting the O'Reilly Sendmail book would be a good idea, too.

:: Mike ::