Nginx

-> nginx (compilado) + spawn-fcgi (php-fastcgi)

apt-get install libpcre3-dev libssl-dev build-essential php5-cgi
cd /usr/src
wget -c http://nginx.org/download/nginx-0.8.54.tar.gz
tar zxvf nginx-0.8.54.tar.gz
cd nginx-0.8.54/
./configure --prefix=/usr/local/nginx --user=www-data --group=www-data \
--without-mail_pop3_module --without-mail_imap_module --with-sha1=/usr/lib \
--without-mail_smtp_module --with-http_stub_status_module \
--with-http_ssl_module --http-log-path=/var/log/nginx/access.log \
--conf-path=/etc/nginx/nginx.conf  --pid-path=/var/run/nginx.pid 
make
make install
cd /usr/src
wget http://www.lighttpd.net/download/spawn-fcgi-1.6.3.tar.gz
tar -xf spawn*
cd spawn*
./configure
make
cp src/spawn-fcgi /usr/bin/spawn-fcgi
wget http://pub.nkosi.org/nginx/iredmail/nginx-init
wget http://pub.nkosi.org/nginx/iredmail/php-fastcgi-bin
wget http://pub.nkosi.org/nginx/iredmail/php-fastcgi-init
mv nginx-init /etc/init.d/nginx
mv php-fastcgi-bin /usr/bin/php-fastcgi
mv php-fastcgi-init /etc/init.d/php-fastcgi
chmod 755 /etc/init.d/nginx
chmod a+x /usr/bin/php-fastcgi
chmod 755 /etc/init.d/php-fastcgi
update-rc.d -f apache2 remove
update-rc.d php-fastcgi defaults
update-rc.d nginx defaults
/etc/init.d/apache2 stop
/etc/init.d/php-fastcgi start
/etc/init.d/nginx start