code: public String getIgnoreEMail(String serverName) {
          if (serverName != null) {
              return ignoreEMails.get(serverName);
          } else {
              return null;
          }
      }
docs: Standard getter for the ignoreEMail.
  
  @param serverName the server name.
  @return the e-mail address to ignore CommentAdded events from.