Question : How to send HTML formatted mail using CGI script

Hello Experts,
I have already one mail system in which I want to make some modification.
System developed using CGI Script Language. In that system it sends plain text mail. But now I. want to send formatted mail (HTML mail) but when I send mail to particular use it shows the html tag in the mail.
  So please tell me how I can do that .
Tanks

Answer : How to send HTML formatted mail using CGI script

How do you construct your email, is it using Perl script or other languange? In the email body, do you have a header to identify the conent type, something like: