Dotan Cohen wrote: > On Mon, Oct 18, 2010 at 22:06, Alexander Dalloz <ad+lists at uni-x.org> > wrote: <snip> > Thanks! However, even after the change and confirming that postfix is > listening properly: <snip> > I still cannot cannot connect with telnet: > > ✈dcl:~$ telnet sharingcenter.eu 25 > Trying 178.63.65.188... > Trying 178.63.65.136... > telnet: Unable to connect to remote host: Connection timed out > ✈dcl:~$ telnet mail.sharingcenter.eu 25 > Trying 178.63.65.136... > telnet: Unable to connect to remote host: No route to host <snip> Coming in late, and sorry if this has been suggested, but could it be a firewall rule blocking it? mark