/** Default list of bot user agents to purge from logs. */
    public static final String DEFAULT_PURGE_BY_BOTS =
            "Crawler,crawler,Bot,bot,Slurp,Yeti,Baidu,Steeler,ichiro,hotpage,Feedfetcher,ia_archiver,Y!J-BRI,Google Desktop,Seznam,Tumblr,YandexBot,Chilkat,CloudFront,Mediapartners,MSIE 6";

    /** Default from email address for notifications. */