I currently see this error message in the dashboard:
Some problems have been found with your installation of Discourse:
There are 181 email jobs that failed. Check your app.yml and ensure that the mail server settings are correct. See the failed jobs in Sidekiq.
I check Sidekiq and it is this error over and over:
Jobs::HandledExceptionWrapper: Wrapped Net::SMTPAuthenticationError: 435 4.7.8 Error: authentication failed:
I have not messed with app.yml file or any email settings recently. I am running v1.6.0.beta1. Help!