[colug-432] sendmail using wrong domain

[Scott Merrill]

On Thu, Feb 11, 2010 at 1:23 PM, Eric Floehr <eric at intellovations.com> wrote:
> Can I assume that you've ruled out something in sendmail.cf (i.e. Dj
> directive)?  Are all the RHEL servers identically configured?  Do they all
> have similar host.osu.edu and host.dept.osu.edu domains?

I have not modified sendmail.cf. I've never needed to in the past.

Interestingly, this is the only server in our department that is
host.osu.edu and host.dept.ohio-state.edu. Although when I installed
it, I'm pretty sure I only used host.osu.edu when setting up the
network.

> It seems to me the question is, why does sendmail think the host domain is
> host.dept.osu.edu rather than host.osu.edu.  Is that a fair statement?

Yes, that is exactly correct.

> If so, it seems sendmail.cf is one of the few places you haven't mentioned
> where it could be picking up that domain.

Again, I haven't touched sendmail.cf. I've never had to do so in the past.

I'm not sure where host.dept.ohio-state.edu is even entering the
equation here. It's certainly not defined anywhere on the server that
I can find.

If necessary, I can have that entry removed from the DNS configuration
for our zone, too.

Thanks,
Scott

> On Thu, Feb 11, 2010 at 1:16 PM, Scott Merrill <skippy at skippy.net> wrote:
>>
>> On Thu, Feb 11, 2010 at 12:57 PM, Rob Funk <rfunk at funknet.net> wrote:
>> > On Thursday 11 February 2010 12:49:58 pm Scott Merrill wrote:
>> >> I generally prefer Postfix, too; but this is not a mail server. It's
>> >> just a server that needs to send its cron output to someone (me), so
>> >> installing Postfix seems a bit overkill.
>> >
>> > On the contrary, *sendmail* is overkill for that. Postfix is great for
>> > both
>> > large and small jobs, but these days sendmail is really only good for
>> > large
>> > or complicated jobs.
>>
>> Let me restate my comment, then:
>>
>> installing Postfix just to solve this problem seems like more yak
>> shaving than I'm interested in right now.
>>
>> None of the other Red Hat Enterprise Linux servers in my environment
>> have exhibited this specific problem. I'm loathe to change the MTA on
>> this one server to deal with this problem. I'm not going to install
>> Postfix for all of our machines just because one system is behaving
>> oddly.
>>
>> If anyone has any advice or suggestions _other than_ "install postfix"
>> (or "install Exim" or "change your MTA") I would like to hear them.
>>
>> Thanks,
>> Scott
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>