The email problem is resolved. Our ISP has screwed up our MX entry
on DNS server.
The hostname on syslog file was a misled message because that hostname
can be resolved.
Thanks for all the help, and I apologize for bounced email if you received.
> Date: Wed, 27 Oct 1999 09:03:37 -0700 (PDT)
> From: Jeffrey Liu <jliu@intsvr>
> Subject: sendmail host name lookup failure
> To: sun-managers@sunmanagers.ececs.uc.edu
> Mime-Version: 1.0
> Content-MD5: DNWChY/OuF8dyvQyRnZd8g==
>
>
> I've sent a email yesterday and only got answer of changing /etc/nsswitch.conf
> on Solaris but we are using SunOS 4.1.4
> And I found there is difference on how sendmail looking relay host name, so I
> copy the difference here.
>
> We are not able to receive email for two days, you know what's pressure I have
> as a IS person. I really appreciate sendmail expert can give me a hand.
>
> Please email to aptix_95134@yahoo.com to help us resolve sendmail
> host hame lookup problem.
> Don't reply this email since I can't receive it.
>
> Problem: sendmail failed to lookup relay host.
>
> Sendmail is v8.8.4 and on SunOS 4.1.4
>
> Following are two entries from email log file for your reference.
> First one, sendmail find relay host's IP address and
> 2nd one, sendmail failed to lookup relay host.
>
> The difference is that:
> relay=gatekeeper.aptix.com. [38.229.247.10], (name resolved)
> ^ there is a . here
> relay=gatekeeper.aptix.com, (name lookup failure)
>
> What's entry on DNS can makes sendmail lookup relay host,
gatekeeper.aptix.com.
> instead of gatekeeper.aptix.com? (one with . and one without?)
>
> on syslog: (email send OK)
>
> Oct 24 04:20:06 extsvr sendmail[516]: EAA00814: to=<charlesw@aptix.com>,
> delay=00:00:02, xdelay=00:00:01, mailer=smtp, relay=gatekeeper.aptix.com.
> [38.229.247.10], stat=Sent (FAA07969 Message accepted for delivery)
>
> on syslog: (email send failure)
> Oct 26 13:08:26 extsvr sendmail[697]: LAA00597: to=jliu@aptix.com,
ctladdr=root
> (0/1), delay=02:08:13, xdelay=00:00:00, mailer=smtp,
relay=gatekeeper.aptix.com,
> stat=Deferred: Name server: gatekeeper.aptix.com: host name lookup failure
>
>
>
>
===========================================
Jeffrey Liu jliu@aptix.com
Aptix Corp. Information Services Manager
408-428-6223 (phone) 408-944-0646 (fax)
This archive was generated by hypermail 2.1.2 : Fri Sep 28 2001 - 23:13:30 CDT