how to stop someone send email out using my hotmail address?

someone send loit of emails out acting as I send out from my hotmailm account? Help please

所有跟帖： 

• try to change your password first. -希臘孤客- ♂ (0 bytes) () 05/31/2011 postreply 22:39:51

• 1. 改密碼 2. 永遠不要把你郵箱的密碼填寫到其他網站上！ -flywhc- ♂ (150 bytes) () 06/01/2011 postreply 06:47:38

• Day 1: I cleaned the computer and changed the password, the emai -thz- ♂ (89 bytes) () 06/01/2011 postreply 08:36:15

• 我猜是他的email session還沒有expired，改密碼後要等一段時間才有效。假如沒中毒的話 -flywhc- ♂ (0 bytes) () 06/01/2011 postreply 09:24:26

• Day 2: I emptied contacts folder, and changed password again. wa -thz- ♂ (54 bytes) () 06/01/2011 postreply 08:37:44

• Day3, receive some emais for could not be delivered emails -thz- ♂ (115 bytes) () 06/03/2011 postreply 20:08:48