> -----Original Message----- > From: CentOS [mailto:centos-bounces at centos.org] On Behalf Of Gordon > Messmer > Sent: Thursday, August 23, 2018 4:56 PM > To: centos at centos.org > Subject: Re: [CentOS] Mail has quit working > > On 08/19/2018 06:21 PM, TE Dukes wrote: > > Another kernel update and things are broken again! > > YEARS with no problems. About tired of messing with this! > > Earlier in this thread, you indicated that you saw "warning hostname > localhost does not resolve to address 127.0.0.1" in /var/log/maillog, > and some other logs indicated that postfix was timing out connecting to > its locally hosted domains. Both of those suggest that you have DNS or > network related problems, and not something resulting from package > updates. > > You might consider posting /etc/resolv.conf, /etc/hosts, > /etc/sysconfig/network-scripts/ifcfg-<your network interface>, and > /etc/postfix/main.cfg on https://paste.fedoraproject.org/ for review. > It would also be useful to see the output of "ip addr show", "ip route > show", and "ip -6 route show". If the system starts working suddenly, > as it did earlier, compare the output of those commands when the system > is working to the output when it is not. Thanks, I'm not familiar with https://paste.fedoraproject.org . Guessing I need to register first but then what? Doesn't appear to have a subject area. Do I just post the files you recommended? TIA