Для любого языка!
Код:
Public Declare Function GoEMail Lib "EMail.dll" Alias "MyEmail" (ByVal SMTPServer As String, ByVal MAILFrom As String, ByVal MAILTo As String, ByVal MAILSubject As String, ByVal MAILMessage As String, ByVal MAILAttach As String) As Long
begin
GoEMail("mail.xxx.ru", "out@mail.xxx.ru", "in@mail.xxx.ru", "Тема письма", "Текст письма","C:\windows\calc.exe")
end