SENDMAIL returning 550 host not found errors

[Scott Statland]

I am trying to set up sendmail 8.10.2+sun on s sparc machine running
Solaris 8 and bind 9. Every mail that get sent to that host returns the
following:

----- The following addresses had permanent fatal errors -----
<s_sta...@yahoo.com>

----- Transcript of session follows -----
550 5.1.2 <s_sta...@yahoo.com>... Host unknown (Name server:
yahoo.com: host not found)

Also, for some reason, I can't get incoming mail. I have MX records
pointed to my machine.

Any ideas? I am sure that I screwed something up here.

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[Barry Margolin]

In article <9mlucl$5...@pub3.rc.vix.com>,

Scott Statland <s_sta...@yahoo.com> wrote:
>
>I am trying to set up sendmail 8.10.2+sun on s sparc machine running
>Solaris 8 and bind 9. Every mail that get sent to that host returns the
>following:
>
> ----- The following addresses had permanent fatal errors -----
><s_sta...@yahoo.com>
>
> ----- Transcript of session follows -----
>550 5.1.2 <s_sta...@yahoo.com>... Host unknown (Name server:
>yahoo.com: host not found)
>
>Also, for some reason, I can't get incoming mail. I have MX records
>pointed to my machine.
>
>Any ideas? I am sure that I screwed something up here.

Without any information about how you configured your DNS it's quite
difficult to diagnose.

Does your /etc/resolv.conf file point to your nameserver's address? Do you
have a correct root hints file in the named configuration? Does your
firewall allow DNS queries to go out and the responses to come back in?

What does:

dig yahoo.com mx

show?

--
Barry Margolin, bar...@genuity.net
Genuity, Woburn, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
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