how can i send email once my backup job is finished

 
 
can any one find above eerro and replace it any thing i did mistake in job design
 
hello
 
  i have to send database mail once my backup job is finished ..
 
  i configured datbase mail ..and  checked test mail option its getting mails to me..
 
plz suggeste me how can i do this for my backup job is finished , at the same time i want email
 
I tried as my level best :
  below job design code : its backup step  and sending mail step
  Luckily, its done backup , DB mail status  is showing sucess in sql log , but i don't receive any mail , i checked Dbmail log its showing below i mentioned error
Date        4/1/2011 10:01:37 AM Log        Database Mail (Database Ma ...