[CentOS] sendmail question
Jerry Geis
geisj at pagestation.com
Wed Oct 21 18:26:05 UTC 2009
>
> >/
> />>/ That's a few DNS timeouts.
> />>/
> />>>/ / I have 127.0.0.1 localhost in the /etc/hosts file.
> />>/ />/
> />>/ />/ Very odd, any thoughts?
> />>/ /
> />>/ Are you mailing to localhost?
> />>/
> />/ I tried:
> />/ mail panel
> />/ mail panel at localhost <http://lists.centos.org/mailman/listinfo/centos>
> />/ mail panel at localhost.localdomain <http://lists.centos.org/mailman/listinfo/centos>
> />/ mail panel at machine.domain.com <http://lists.centos.org/mailman/listinfo/centos> (insert actual machine and domain)
> />/
> />/ All the above have the same slow 2 minute delay.
> />/
> />/ This is odd.
> /
> You still haven't answered how long nslookup takes to respond with these
> or your IP addresses. I think sendmail will ask DNS for an MX record
> first because that's how mail is supposed to work - then if that fails
> it goes for an A record or your hosts file.
>
Sorry - missed that one .
nslookup cnn.com comes back fast.
if I do nslookup mymachine.domain.com it comes back with error.
How do I make this resolve faster or something. I have no way to make an
MX record
for this box. its all just local email. it never leaves the box.
Jerry
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