code: public void setCc(Object cc) throws ApplicationException {
  	if (StringUtil.isEmpty(cc)) return;
  	try {
  	    smtp.addCC(cc);
  	}
  	catch (Exception e) {
  	    throw new ApplicationException("attribute [cc] of the tag [mail] is invalid", e.getMessage());
  	}
      }
docs: set the value cc Indicates addresses to copy the e-mail message to; "cc" stands for "carbon
  copy."
  
  @param strCc value to set
  @throws ApplicationException