[horde] Installation problem

[o1bigtenor]

On Mon, Jan 20, 2020 at 3:37 PM Oscar del Rio <delrio at mie.utoronto.ca> wrote:
>
> On 2020-01-20 3:03 p.m., o1bigtenor wrote:
> > http://example.com/webmail/test.php   (as suggested at:
> > https://www.horde.org/apps/webmail/docs/INSTALL)
> >
> > the response is:
> > The requested URL was not found on this server.
> > Apache Server at example.com Port 80
> >
> >
> > 2. vi /etc/apache2/conf-available/horde.conf
> > Alias /horde /var/www/horde
> > ServerName webmail.example.com
> >
>
> then the installation should be in http://webmail.example.com/horde
>
Perhaps should be but its not showing up - - response in the browser is:

We can't connect to the server at webmail.example.com

Any idea on how/where to troubleshoot?

TIA