Send external email from within ABAP program

*&-----------------------------------------------------------*
*& Report  ZSENDEMAIL                                        *
*&                                                           *
*&-----------------------------------------------------------*
*& Example of sending external email via SAPCONNECT          *
*& Produced by www.SAP Development                              *
*&-----------------------------------------------------------*
REPORT  zsendemail                    .
PARAMETERS: psubject(40) type c default  'Hello',
            p_email(40)   type c default 'test@SAP Development' .
data:   it_packing_list like sopcklsti1 occurs 0 with header line,
        it_contents like solisti1 occurs 0 with header line,
        it_receivers like somlreci1 occurs 0 with header line,
        it_attachment like solisti1 occurs 0 with header line,
        gd_cnt type i,
        gd_sent_all(1) type c,
        gd_doc_data like sodocchgi1,
        gd_error type sy-subrc.
data:   it_message type standard table of SOLISTI1 initial size 0
                with header line.
***********************************************************************
*START-OF-SELECTION.
START-OF-SELECTION.
Perform populate_message_table.
*Send email message, although is not sent from SAP until mail send
*program has been executed(rsconn01)
PERFORM send_email_message.
*Instructs mail send program for SAPCONNECT to send email(rsconn01)
perform initiate_mail_execute_program.
*&---------------------------------------------------------------------*
*&      Form  POPULATE_MESSAGE_TABLE
*&---------------------------------------------------------------------*
*       Adds text to email text table
*----------------------------------------------------------------------*
form populate_message_table.
  Append 'Email line 1' to it_message.
  Append 'Email line 2' to it_message.
  Append 'Email line 3' to it_message.
  Append 'Email line 4' to it_message.
endform.                    " POPULATE_MESSAGE_TABLE
*&---------------------------------------------------------------------*
*&      Form  SEND_EMAIL_MESSAGE
*&---------------------------------------------------------------------*
*       Send email message
*----------------------------------------------------------------------*
form send_email_message.
* Fill the document data.
  gd_doc_data-doc_size = 1.
* Populate the subject/generic message attributes
  gd_doc_data-obj_langu = sy-langu.
  gd_doc_data-obj_name  = 'SAPRPT'.
  gd_doc_data-obj_descr = psubject.
  gd_doc_data-sensitivty = 'F'.
* Describe the body of the message
  clear it_packing_list.
  refresh it_packing_list.
  it_packing_list-transf_bin = space.
  it_packing_list-head_start = 1.
  it_packing_list-head_num = 0.
  it_packing_list-body_start = 1.
  describe table it_message lines it_packing_list-body_num.
  it_packing_list-doc_type = 'RAW'.
  append it_packing_list.
* Add the recipients email address
  clear it_receivers.
  refresh it_receivers.
  it_receivers-receiver = p_email.
  it_receivers-rec_type = 'U'.
  it_receivers-com_type = 'INT'.
  it_receivers-notif_del = 'X'.
  it_receivers-notif_ndel = 'X'.
  append it_receivers.
* Call the FM to post the message to SAPMAIL
**Removed because code does not seem to work in current version of SAP but may work in older versions
*  call function 'SO_NEW_DOCUMENT_ATT_SEND_API1'
*       exporting
*            document_data              = gd_doc_data
*            put_in_outbox              = 'X'
**
  call function 'SO_DOCUMENT_SEND_API1'
       exporting
            document_data              = gd_doc_data
            put_in_outbox              = 'X'
            sender_address             = '[email protected]'
            sender_address_type        = 'INT'
            commit_work                = 'X'
       importing
            sent_to_all                = gd_sent_all
       tables
            packing_list               = it_packing_list
            contents_txt               = it_message
            receivers                  = it_receivers
       exceptions
            too_many_receivers         = 1
            document_not_sent          = 2
            document_type_not_exist    = 3
            operation_no_authorization = 4
            parameter_error            = 5
            x_error                    = 6
            enqueue_error              = 7
            others                     = 8.
* Store function module return code
  gd_error = sy-subrc.
* Get it_receivers return code
  loop at it_receivers.
  endloop.
endform.                    " SEND_EMAIL_MESSAGE
*&---------------------------------------------------------------------*
*&      Form  INITIATE_MAIL_EXECUTE_PROGRAM
*&---------------------------------------------------------------------*
*       Instructs mail send program for SAPCONNECT to send email.
*----------------------------------------------------------------------*
form initiate_mail_execute_program.
  wait up to 2 seconds.
  if gd_error eq 0.
      submit rsconn01 with mode = 'INT'
                    with output = 'X'
                    and return.
  endif.
endform.                    " INITIATE_MAIL_EXECUTE_PROGRAM