There are several reasons why your are getting a pop-up box in your mail program, but in almost all cases you are either pointed to the wrong mail server or not entering the correct login information.
Solution 1:
Make sure you have are entered your password correctly. Solution 2: Make sure you are using your whole e-mail address when you log into your e-mail ([email protected]) , not just your username Solution 3: Verify the server you are receiving mail from is mail.yourdomain.com (where yourdomain.com is your own personal domain name) |
If you continue to have trouble, you may want to reset the password for your e-mail. This this article:
http://manage.inet7.com/knowledgebase/8/I-lost-my-e-mail-password.html