/// <summary>
        /// Check whether a topic is spam or not
        /// </summary>
        /// <param name="topic"></param>
        /// <returns></returns>
        public bool IsSpam(Topic topic)
        {
            // If akisment is is not enable always return false
            if (Dialogue.Settings().EnableAkismetSpamControl == false || string.IsNullOrEmpty(Dialogue.Settings().AkismetKey))
            {
                return(false);
            }

            // Akisment must be enabled
            var firstOrDefault = topic.Posts.FirstOrDefault(x => x.IsTopicStarter);

            if (firstOrDefault != null)
            {
                var comment = new Comment
                {
                    blog                 = AppHelpers.CheckLinkHasHttp(Dialogue.Settings().ForumRootUrlWithDomain),
                    comment_type         = "comment",
                    comment_author       = topic.Member.UserName,
                    comment_author_email = topic.Member.Email,
                    comment_content      = firstOrDefault.PostContent,
                    permalink            = String.Empty,
                    referrer             = HttpContext.Current.Request.ServerVariables["HTTP_REFERER"],
                    user_agent           = HttpContext.Current.Request.ServerVariables["HTTP_USER_AGENT"],
                    user_ip              = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]
                };
                var validator = new Validator(Dialogue.Settings().AkismetKey);
                return(validator.IsSpam(comment));
            }
            return(true);
        }