|thanks for the confirmation.
here is the wrap-up:
vhost accepts https request:
.htaccess rewrite rule in question should be proxy to http (not https) as follows:
webmail is the 'web server' type ext app pointing to 127.0.0.1:2080
RewriteRule ^(.*)$ http://webmail/$1 [P]
Last edited by webizen; 02-15-2012 at 10:49 PM..