So far....

I am trying to get an email address working under plesk. I (think I) setup an email address. Difficult enuf was the password. First my passowrd was not strong enuf. So I added some numbers and special characters. Then I was not allowed to use the email address inside the password. Eventually I managed. I can see the email address in the Plesk backend. So far, so good. But how do I get on to the webmail frontend?