Click on the "Check now" link to try to check your external POP3 account manually.
If you receive an error message, check your POP3 server, login name and password, and try again.
POP3 access on the external account is not enabled. Check your external account provider's website to make sure you have enabled POP3 access.
POP3 access on external account expired. If POP3 access to your external account is a paid service, check that you have paid your last bill. If necessary, contact your external account provider's Support.
The period in which Crawler Group accounts check for messages from external accounts may be automatically extended if there are no messages detected. Crawler Group starts to check for messages every 5 minutes. The busier your external account is, the higher the check frequency becomes. If you are expecting an urgent message from your external account, we recommend that you to check your external POP3 account manually.