RewriteEngine On


#Options -Indexes

ErrorDocument 404 /404.php
#RewriteBase /
#RewriteCond %{HTTP_HOST} !^DOMAIN$ [NC]
#RewriteRule ^(.*)$ http://DOMAIN/$1 [L,R=301]

RewriteRule ^css.min/(.*\.css) /m/?f=/css/$1 [NC,L,QSA]
RewriteRule ^js.min/(.*\.js) /m/?f=/js/$1 [NC,L,QSA]

## EXPIRES CACHING ##

ExpiresActive On
ExpiresByType image/jpg "access 1 year"
ExpiresByType image/jpeg "access 1 year"
ExpiresByType image/gif "access 1 year"
ExpiresByType image/png "access 1 year"
ExpiresByType text/css "access 1 month"
ExpiresByType application/pdf "access 1 month"
ExpiresByType application/x-javascript "access 1 month"
ExpiresByType application/x-shockwave-flash "access 1 month"
ExpiresByType image/x-icon "access 1 year"
ExpiresDefault "access 2 days"

## EXPIRES CACHING ##


# Set up caching on media files for 1 year (forever?)
<FilesMatch "\.(flv|ico|pdf|avi|mov|ppt|doc|mp3|wmv|wav)$">
ExpiresDefault A29030400
Header append Cache-Control "public"


# Set up caching on media files for 1 week
<FilesMatch "\.(gif|jpg|jpeg|png|swf)$">
ExpiresDefault A604800
Header append Cache-Control "public"


# Set up 2 Hour caching on commonly updated files
<FilesMatch "\.(xml|txt|html|js|css)$">
ExpiresDefault A9200
Header append Cache-Control "proxy-revalidate"


# Force no caching for dynamic files
<FilesMatch "\.(php|htm)$">
ExpiresActive Off
Header set Cache-Control "private, no-cache, no-store, proxy-revalidate, no-transform"
Header set Pragma "no-cache"



AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/html
AddOutputFilterByType DEFLATE text/xml
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE application/rss+xml
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE application/x-javascript

Идеята е http://mail.example.com да се пренасочи към http://mail.newdomain.com, но сайта example.com да си работи от съответната root директория.

.htaccess правила:

RewriteEngine On
RewriteCond %{HTTP_HOST} ^mail\.example\.com$ [NC]
RewriteRule ^(.*) http://mail.newdomain.com/$1 [L,R]