Open a web browser either Google Chrome or Firefox into your computer.Check whether Yahoo Mail is Working Independently Hence, one can use the following techniques to resolve the issue Yahoo Mail Not working with Apple Mail or Yahoo Mail not working on Mac Mail or Yahoo Mail stopped working on Mac or Apple Mail can’t connect to the account Yahoo. Troubleshoot Yahoo is Not Configuring with Mac Mail ProblemĪs most of the mail issues occur due to invalid settings or if there is something wrong with Yahoo Mail account that the user is trying to access. Temporarily Disable all Security Applications.Check whether Yahoo Mail is Working Independently.