Shaw secure not updating
If your password isn't the problem, you might have a certificate error.
If so, you'll see a message that says, "There is a problem with the server's security certificate.
You'll need the following information: If you're using an Exchange account that requires advanced settings, you'll need to remove the account and add it again using advanced settings.
See Change your password in Mail for Windows 10 for more information.
If that doesn't solve your issue, try the solutions below.