Отправить письмо на E-mail так, чтобы пользователь не подозревал об отправке

unit Email;

interface

uses
  Windows, SusUtils, Classes;

function SendEmail(const RecipName, RecipAddress,
Subject, Attachment: string): Boolean;

function IsOnline: Boolean;

implementation
uses Mapi;

function SendEmail(const RecipName, RecipAddress,
Subject, Attachment: string): Boolean;
var
  MapiMessage: TMapiMessage;
  MapiFileDesc: TMapiFileDesc;
  MapiRecipDesc: TMapiRecipDesc;
  i: integer;
  s: string;
begin
  with MapiRecipDesc do
  begin
    ulRecerved:= 0;
    ulRecipClass:= MAPI_TO;
    lpszName:= PChar(RecipName);
    lpszAddress:= PChar(RecipAddress);
    ulEIDSize:= 0;
    lpEntryID:= nil;
  end;

  with MapiFileDesc do
  begin
    ulReserved:= 0;
    flFlags:= 0;
    nPosition:= 0;
    lpszPathName:= PChar(Attachment);
    lpszFileName:= nil;
    lpFileType:= nil;
  end;

  with MapiMessage do
  begin
    ulReserved := 0;
    lpszSubject := nil;
    lpszNoteText := PChar(Subject);
    lpszMessageType := nil;
    lpszDateReceived := nil;
    lpszConversationID := nil;
    flFlags := 0;
    lpOriginator := nil;
    nRecipCount := 1;
    lpRecips := @MapiRecipDesc;
    if length(Attachment) > 0 then
    begin
      nFileCount:= 1;
      lpFiles := @MapiFileDesc;
    end
    else
    begin
      nFileCount:= 0;
      lpFiles:= nil;
    end;
  end;

  Result:= MapiSendMail(0, 0, MapiMessage, MAPI_DIALOG
  or MAPI_LOGON_UI or MAPI_NEW_SESSION, 0) = SUCCESS_SUCCESS;
end;


function IsOnline: Boolean;
var
  RASConn: TRASConn;
  dwSize,dwCount: DWORD;
begin
  RASConns.dwSize:= SizeOf(TRASConn);
  dwSize:= SizeOf(RASConns);
  Res:=RASEnumConnectionsA(@RASConns, @dwSize, @dwCount);
  Result:= (Res = 0) and (dwCount > 0);
end;

end.