APM - urls in the email are accessible when I launched though OWA session using access policies

thanks for the quick response. Don't we have other way to get this done ? We don't care about the url redirection, but client doesn't want to the url to be opened when he opens it from OWA session. I have seen similar setup where for the same url in the email, we get a error page 'You do not have permission to access this page' though the redirected url still reads the same ' https://mail.domain.com/f5-w1232346453429$$/home/init.jsp' All I want is to ensure that the internal server page is not accessed when client uses OWA on APM session.

thanks