Client only wants horde to work for the mail and not neomail or roundcube or squirrelmail. The soution is as follows:

1)create subdomain name

2)add these in .htaccess

RewriteEngine on

RewriteCond %{HTTP_HOST} ^email.cedenar.com.co$ [OR]

RewriteCond %{HTTP_HOST} ^www.email.cedenar.com.co$

RewriteRule ^(.*)$ http://email.cedenar.com.co:2095/horde/login.php [R=301,L]

3)create a test email account and check it.