[Exim] IP Address lookup failed? Why? It should be good.

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著者: Kevin Reed
日付:  
To: Exim Users Mailing List
題目: [Exim] IP Address lookup failed? Why? It should be good.
I've got a host that is attempting to send me mail. It is being rejected
because "IP address lookup failed". But if I do an nslookup on the
same box, it works every time.

[Real IP address]

# nslookup 209.19.7.72

Name:    ng.sandh.com
Address:  209.19.7.72


Using debug mode with the same IP is get...

# /usr/local/exim->exim -bh 209.19.7.72

**** SMTP testing session as if from host 209.19.7.72
**** Not for real!

>>> host in host_lookup? no (option unset)
>>> host in host_reject? no (option unset)
>>> looking up host name for 209.19.7.72
>>> IP address lookup failed


What is causing the failure?? Everything else appears to be working
but not this host's IP.

--
Kevin