Parallel.Invoke(() =>
{
    var template = new MailTemplate()
    .WithBody("my sample body")
    .WithSubject("sample sub")
    .WithSender("test1@fakesite.com")
    .WithRecepient("test2@fakesite.com")
    .WithAttachment(filepath)
    .Send();
});

oLog.Save("no of job sone " + jbcount, false);