Send Email to Multiple Recipients with CC recipient Using UTL_SMTP ?

CREATE OR REPLACE PROCEDURE send_mail (sender IN VARCHAR2, 
recipients IN VARCHAR2,cc IN VARCHAR2,
subject IN VARCHAR2, 
message IN VARCHAR2) 

-- This procedure will take the following parameters: 
-- 
-- sender - single email address 
-- recipients - single or multiple email addresses 
-- subject - subject of the email message 
-- message - body of the email message 
-- 
-- It will report the status of the sent mail 

-- NOTE: email addresses must be separated with either a comma "," or a semi-colon ";" 

-- NOTE: You must modify the "mailhost" and "mailport" variables below 

AS 

mailhost VARCHAR2(64) := '-->SMTP_HOST<--'; -- hostname of the mail server 
mailport NUMBER := 25; -- mailport 

mail_conn UTL_SMTP.CONNECTION; 
szBuffer VARCHAR2(2000); 
szQuit UTL_SMTP.REPLY; 
location NUMBER := 0; 
my_index NUMBER := 1; 
my_recipients VARCHAR2(32000); 
my_sender VARCHAR2(32000); 
NL               VARCHAR2(2) := CHR(13) || CHR(10);

BEGIN 

mail_conn := utl_smtp.open_connection(mailhost, mailport); 
utl_smtp.helo(mail_conn, mailhost); 

-- clean up any trailing separation characters 

--DBMS_OUTPUT.PUT_LINE(sender); 
my_sender := RTRIM(sender,',; '); 
--DBMS_OUTPUT.PUT_LINE(my_sender); 

-- determine multiple sender by looking 
-- for separation characters 

location := INSTR(my_sender,',',1,1); 
IF location = 0 THEN 
location := INSTR(my_sender,';',1,1); 
END IF; 

-- If more then one sender in string, parse out 
-- the first sender and use this sender to 
-- authenticate with the mail server when 
-- calling UTL_SMTP.MAIL, all other senders 
-- will be ignored 

IF location <> 0 THEN 
-- multiple senders, use the first one 
UTL_SMTP.MAIL(mail_conn, SUBSTR(my_sender,1,location-1)); 
ELSE 
-- only one sender 
UTL_SMTP.MAIL(mail_conn, sender); 
END IF; 

-- clean up any trailing separation characters 
my_recipients := RTRIM(recipients,',; '); 
-- initialize loop variables 
my_index := 1; 

-- Parse out each recipient and make a call to 
-- UTL_SMTP.RCPT to add it to the recipient list 

WHILE my_index < LENGTH(my_recipients) LOOP 

-- determine multiple recipients by looking for separation characters 

location := INSTR(my_recipients,',',my_index,1); 
IF location = 0 THEN 
location := INSTR(my_recipients,';',my_index,1); 
END IF; 

IF location <> 0 THEN 
-- multiple recipients, add this one to the recipients list 
UTL_SMTP.RCPT(mail_conn, TRIM(SUBSTR(my_recipients,my_index,location-my_index))); 
utl_smtp.RCPT(mail_conn, cc );
my_index := location + 1; 
ELSE 
-- single recipient or last one in list 
UTL_SMTP.RCPT(mail_conn, TRIM(SUBSTR(my_recipients,my_index,LENGTH(my_recipients)))); 
my_index := LENGTH(my_recipients); 
END IF; 


END LOOP; 

-- Replace separation character ";" with "," 
my_recipients := REPLACE(my_recipients,';',','); 

-- Setup the TO, SUBJECT and BODY sections of the email 

UTL_SMTP.OPEN_DATA(mail_conn); 
UTL_SMTP.WRITE_DATA(mail_conn, 'To: ' || my_recipients || utl_tcp.CRLF); 
UTL_SMTP.WRITE_DATA(mail_conn, 'Cc: ' || cc || utl_tcp.CRLF); 
UTL_SMTP.WRITE_DATA(mail_conn, 'Subject: ' || subject || utl_tcp.CRLF); 
  utl_smtp.write_data(mail_conn, 'MIME-Version: 1.0' ||NL);
      utl_smtp.write_data(mail_conn, 'Content-Type: text/html'||NL);
      utl_smtp.write_data(mail_conn, 'Content-Transfer-Encoding: 7bit'||NL);
      utl_smtp.write_data(mail_conn, 'Content-Disposition: inline'||NL||NL);
UTL_SMTP.WRITE_DATA(mail_conn, utl_tcp.CRLF || message); 
UTL_SMTP.CLOSE_DATA(mail_conn); 

szQuit := UTL_SMTP.QUIT(mail_conn); 

-- Status Reporting/Error Handling 

IF szQuit.code = 221 THEN 
DBMS_OUTPUT.PUT_LINE('Your e-mail was successfully sent.'); 
ELSE 
DBMS_OUTPUT.PUT_LINE('Your e-mail was NOT sent.'); 
DBMS_OUTPUT.PUT_LINE('Reply Code: ' || szQuit.code); 
DBMS_OUTPUT.PUT_LINE('Message: ' || szQuit.text); 
END IF; 

EXCEPTION 
WHEN OTHERS THEN 
szBuffer := sqlerrm; 
DBMS_OUTPUT.PUT_LINE('Error: ' || szBuffer); 
END; 
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