2012/2/9 Stephen Harris <lists at spuddy.org>: > On Thu, Feb 09, 2012 at 01:00:33AM +0100, Chris wrote: >> Feb 9 00:49:57 x800 postfix[1387]: warning: valid_hostname: invalid >> character 13(decimal): x800.mydomain.local? > > 13 is control-M. > > One of your config files is in DOS format and has an embedded control-M > in it. Check /etc/sysconfig/network. If you "vi" it, does it show ^M > at the end, or does the bottom line say [dos] ? > > When you find the file, "dos2unix" will fix it. Thank you very very much !! After converting... [root at x800 sysconfig]# dos2unix network dos2unix: converting file network to UNIX format ... Everything works fine :) But I do not understand why it was in DOS format? -- Chris