Send mail with body (content)

Dear SDNers,

Currently whenever status has been changed in my solman, message processor and requestro both are receving mails with an smartform as an attachment with blank body in mail. But I want add some custom test at the body of the mail. How can I do this. Here is the screen shot how what my system using classes and methods to send smartform.

Kindly guide me.

Regards,

Venkat