-----------------------------61911981522888\r\nContent-Disposition: form-data;

name="act"\r\n\r\nadd\r\n-----------------------------61911981522888\r\nContent-Disposition: form-data;

name="from"\r\n\r\nfile\r\n-----------------------------61911981522888\r\nContent-Disposition: form-data; name="new_photo";

filename="a_e36a5297.jpg"\r\nContent-Type: image/jpeg\r\n\r\nÿØÿà

formdata:=TIdMultiPartFormDataStream.Create; // создаем переменную пост запрсоа
formData.AddFile('F',filename,'image/jpeg');
formData.AddFormField('act', 'nadd');
formData.AddFormField('from', 'nfile');
formData.AddFormField('name', 'new_photo');
formData.AddFormField('filename', 'имя фото');
formData.Free;