Me respondo yo
funciono de esta manera
esto en el httpd.conf
Código PHP:
ServerName Ip-Publica:80
esto en el httpd-vhost.conf
Código PHP:
NameVirtualHost MiIpPublica:80
<VirtualHost MiIpPublica:80>
##ServerAdmin [email protected]
DocumentRoot "C:/WEB/Sitio/www"
ServerName www.sitiocorporativo.cl
##ServerAlias www.dummy-host2.localhost
##ErrorLog "logs/dummy-host2.localhost-error.log"
##CustomLog "logs/dummy-host2.localhost-access.log" combined
</VirtualHost>
<VirtualHost 200.54.159.139:80>
##ServerAdmin [email protected]
DocumentRoot "C:/WEB/Sitio/webmail"
ServerName webmail.sitioCorporativo.cl
##ServerAlias www.dummy-host.localhost
##ErrorLog "logs/dummy-host.localhost-error.log"
##CustomLog "logs/dummy-host.localhost-access.log" combined
</VirtualHost>