If the Details column of Mail Connector Doctor shows that Mail couldn't connect to the server:. The settings for your email account may not be correct. Check Mail preferences to make sure that your email account settings are up to date. You can use the tool to check the settings for many email providers,. A network firewall may be blocking connection to your email service. This can happen after installing third-party firewall software, or when you're on a different network that doesn't allow the necessary email connections.
If you're connecting from your corporate network, contact your corporate IT department for help. If you're connecting from somewhere else, such as a coffee shop or Internet cafe, check with their staff. If you need more information about the issue:. Click the Show Detail button to open a drawer showing basic communication between the Mail app and your email service. If the drawer is empty, click Check Again to start another check. You can copy data from this drawer and paste it into another app for easier viewing. Messages that contain 'ALERT' come directly from your email provider.
FIREFOX WILL NOT ALLOW ME TO ACCESS SAFE SITES SUCH AS gmail.com or google.com INSTEAD I RECEIVE THIS MESSAGE: Your connection is not secure The owner of accounts.google.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.
Select the Log Connection Activity checkbox to cause Mail to generate detailed logs of its communication with your email service. To view the logs, click Show Logs.
To stop logging, deselect Log Connection Activity.