Some Mac users may encounter the below error when trying to release a message or report a message as "not junk" while using Safari. If you encounter this error, please "right-click" on the link, choose "Copy Link", then paste it in Google Chrome or Mozilla Firefox. Alternatively, users can fix the issue following the below instructions:
If the user would like to continue using Safari, open Keychain Access and search for the listed certificate in the box above. Right-click on each entry for the certificate and delete it. Close Safari and try again.