There's a recent discussion about this and in short, you need to use IMAP for the email and not POP/SMTP. As this has been discussed so much before I'm going to keep it short.
When I delete email from my webmail acct. at centurylink on my galaxy 2 how comes it is not removed from my oulook email server on my pc. I have windows xp on my pc and my internet is also with centurylink.