"M.W.Chang" wrote: > > logcheck reported this. Is it a mail stucked in the outoging mail queue? > Any easy way to find that letter? > > Security Violations > =-=-=-=-=-=-=-=-=-= > Mar 21 06:06:34 server sendmail[20786]: gethostbyaddr(192.168.0.16) > failed: > 1
No, sendmail was simply unable to resolve itself. Is there an entry in /etc/hosts for the machine name at that ip? Is /etc/nsswitch.conf set to the order of hosts, dns or vice-versa? _______________________________________________ Linux-users mailing list - http://linux-sxs.org/mailman/listinfo/linux-users Subscribe/Unsubscribe info, Archives,and Digests are located at the above URL.
