Hi,
Pl. use below mentioned syntax.
/*   Mailing Code to multiple mail id's and multiple attachement */
filename outbox email 'akash.satyam@gmail.com';
data _null_;
  file outbox
      to=('akash.satyam@gmail.com' 'akash1.satyam@gmail.com')
     cc=('akash2.satyam@gmail.com' 'akash3.satyam@gmail.com')
     subject='My SAS output'
     attach=("D:\Distribution_A.zip" "D:\Distribution_B.zip")
     ;
						put 'Hi,';
						put;
/*						put "Please ignore the previous mail as it was not updated and consider the enclosed file for the mentioned subject.";*/
/*						put;*/
						put "Please find enclosed ------.";
						put "---------------------------.";
						put ;
						put "The file contains the following:";
					 	put "1)  A";
					    put "2)  B";
						put "3)  C";
					    put "4)  D";
						put "5)  E";
					    put /;
						put "Regards,";
						Put 'Akash';
						run;