trigger Email

Hi everyone

I want to write trigger 

My table have  two column. first  Column Email(email column "has to one email adress"), second column CC (has to four email adress "aa@whatever.com; bb@whatever.com; cc@whatever.com; dd@whatever.com");

when new data enter to my table send to email  column and cc column .

how am i write trigger ? İ don't Know..

Please Help me