public String interpret() {
		String result = "";
		if (host != null)
			if (hostString.startsWith("\"smtp"))
				result += "\tprops.put(\"mail.smtp.host\", " + host.toString() + ");\n";
			else
				Main.error("Your mail protocol is not supported yet.");
		else if (username != null)
			result += "\tfinal String username = " + username + ";\n";
		else if (password != null)
			result += "\tfinal String password = " + password + ";\n";
		return result;
	}