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DKIM PROXY FOR OUTGOING MAIL IN POSTFIX

1.  Download DKIM proxy         wget http://downloads.sourceforge.net/dkimproxy/dkimproxy-1.3.tar.gz         perl -MCPAN -e'CPAN::Shell->install("Net::Server")'         perl -MCPAN -e'CPAN::Shell->install("Mail::DKIM")'         perl -MCPAN -e'CPAN::Shell->install("Mail::DKIM")'                tar -zxvf dkimproxy-1.3.tar.gz         ./configure --prefix=/usr/local/dkimproxy         make install         2. Generate Public and Private Key         Generate a private/public key pair using OpenSSL:                 openssl genrsa -out private.key 1024             opens...

Dynamic DocumentRoot for Sub-Domains.

If you have plenty of sub-domains and every subdomain routes in another directory on the server, This can be done dynamically. Add folling in httpd.conf/httpd-vhost.conf <\VirtualHost *:80\>     ServerName www.kishor.com     ServerAlias www.kishor.com     ServerAlias kishor.com     ServerAlias *.kishor.com        RewriteEngine  on     RewriteCond    %{HTTP_HOST}  ^kishor.com     RewriteRule    ^(.*)$        /var/www/html/$1 [L]     RewriteCond    %{HTTP_HOST}  ^www.*     RewriteRule    ^(.*)$        /var/www/html/$1 [L]     RewriteCond    %{HTTP_HOST}  ^(.*)\.kishor\.com     RewriteRule    ^(.*)$  ...