[CentOS] Mail has quit working
pete at biggs.org.uk
Sat Aug 25 11:59:36 UTC 2018
> > > > 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 188.8.131.52: Connection timed out
So are you saying that if you do 'telnet localhost 25' it actually
tries to connect to '184.108.40.206'?
If so, then that seems to indicate that host lookups are still being
done primarily through DNS and it isn't looking in your /etc/hosts
What happens if you do
telnet 127.0.0.1 25
telnet ::1 25
More information about the CentOS