Configuring sendmail on Jaguar
Subject:   host name lookup failure...
Date:   2004-04-06 21:24:10
From:   kernelkonfusion
Response to: host name lookup failure...

I had the very same issue with sendmail when I tried to set it up recently. I had all but given up on it to wait for my Panther distribution but I was tidying up some settings on my Mac for a recent LAN renumbering when I fixed it by adding an entry for the local IP address in /etc/hosts file. I am not sure why this worked and it implies that sendmail's message was misleadingly not indicative of some problem with the destination IP but the local host IP.