I really appreciate all the help. Let me explain the set up alittle better. My company's email account is networked with a another company's. The other company houses the administrators and support techs. We can access our email accounts from computers outside of the office (i.e. personal computers) and that's where I think this person is getting into my account. The reason I think that is because our office is not set up for much privacy. If he was spending time logging off his computer to log on mine then I feel fairly certain someone if not myself would have noticed. I know this is really wierd. Have you guys ever heard of such?
Thanks so much!