function compose_and_send_mail( $mail_template ) {

		$regex = '/\[\s*([a-zA-Z_][0-9a-zA-Z:._-]*)\s*\]/';



		$use_html = (bool) $mail_template['use_html'];



		$callback = array( &$this, 'mail_callback' );

		$callback_html = array( &$this, 'mail_callback_html' );



		$subject = preg_replace_callback( $regex, $callback, $mail_template['subject'] );

		$sender = preg_replace_callback( $regex, $callback, $mail_template['sender'] );

		$recipient = preg_replace_callback( $regex, $callback, $mail_template['recipient'] );

		$additional_headers =

			preg_replace_callback( $regex, $callback, $mail_template['additional_headers'] );



		if ( $use_html ) {

			$body = preg_replace_callback( $regex, $callback_html, $mail_template['body'] );

			$body = wpautop( $body );

		} else {

			$body = preg_replace_callback( $regex, $callback, $mail_template['body'] );

		}



		$attachments = array();



		foreach ( (array) $this->uploaded_files as $name => $path ) {

			if ( false === strpos( $mail_template['attachments'], "[${name}]" ) || empty( $path ) )

				continue;



			$attachments[] = $path;

		}



		extract( apply_filters_ref_array( 'wpcf7_mail_components', array( 

			compact( 'subject', 'sender', 'body', 'recipient', 'additional_headers', 'attachments' ),

			&$this ) ) );



		$headers = "From: $sender\n";



		if ( $use_html )

			$headers .= "Content-Type: text/html\n";



		$headers .= trim( $additional_headers ) . "\n";



		return @wp_mail( $recipient, $subject, $body, $headers, $attachments );

	}