Thanks Felipe for your reply.
I have modified the code as below,but still i am able to see my name only in SOST.
Please let me know if i am missing something as I am new to OOPS abap.
DATA lo_send_request TYPE REF TO cl_bcs.
DATA lo_sender TYPE REF TO if_sender_bcs.
data lv_sender_email_addr type adr6-smtp_addr.
lv_sender_email_addr = 'test@gmail.com'.
*--- set the e-mail address of the sender:
IF NOT lv_sender_email_addr IS INITIAL.
lo_sender = cl_cam_address_bcs=>create_internet_address(
i_address_string = lv_sender_email_addr ).
ENDIF.