> -----Original Message----- > From: CentOS [mailto:centos-bounces at centos.org] On Behalf Of Gordon > Messmer > Sent: Saturday, August 25, 2018 2:02 AM > To: centos at centos.org > Subject: Re: [CentOS] Mail has quit working > > On 08/24/2018 05:40 PM, TE Dukes wrote: > > > >> getent hosts localhost > > ::1 localhost > > Can't say that's what I expected. What about "getent hosts 127.0.0.1"? 127.0.0.1 localhost > > Also, uncomment the ::1 line in /etc/hosts. OK > > >> Can you reach localhost by "normal" means? > >> telnet localhost 25 > > I cannot. > > > Can you share the specific output of the command? It might help. From > what you've told us, localhost resolves to the IPv6 local address, and > that address is present on your "lo" device. You *should* be able to > connect. The type of error might indicate what is still wrong with the > system. > Trying 71.28.79... telnet: connect to address 71.28.79.87: Connection timed out TIA