nginx/sites-available/mail

server {
	listen 80;

	server_name _;

	root /usr/share/nginx/mail;

	if ($http_user_agent !~* Thunderbird) {
		return 301 https://$host$request_uri;
	}

	rewrite /.well-known/autoconfig/mail/config-v1.1.xml /autoconfig.xml permanent;
}

server {
	listen 443;

	server_name _;

	ssl on;
	ssl_certificate         /etc/ssl/mail/mail.crt;
	ssl_certificate_key     /etc/ssl/mail/mail.key;

	ssl_prefer_server_ciphers on;
	ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
	ssl_ciphers 'EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA';
	add_header Strict-Transport-Security max-age=15768000;

	root /usr/share/nginx/mail;
	index index.html index.htm index.php;

    location ^~ /rc/logs {
        deny all;
    }

	location ~ /(\.ht) {
		deny all;
		return 404;
	}

	location = /favicon.ico {
		log_not_found off;
		access_log off;
	}

	location = /robots.txt {
		allow all;
		log_not_found off;
		access_log off;
	}

	location / {
		try_files $uri $uri/ index.php;
		#limit_req zone=one burst=25 nodelay;
	}

    location ~ \.php$ {
        include fastcgi_params;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass unix:/var/run/php5-fpm-mail.sock;
        fastcgi_index index.php;
        fastcgi_param HTTPS on;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
		fastcgi_read_timeout 630;
		fastcgi_keep_conn on;
    }
}