During a dry stretch with no match alerts, I explored silver singles reviews, learned that specifying account email, last notification date, and type of match filters in one simple message triggered a response. Emulating that, I messaged support with my login email, the date of my last alert, filter settings engaged, and a screenshot showing zero matches. Within two days, an agent replied confirming a backend sync reset had been done and notifications resumed immediately thereafter. Supplying all pertinent account info in a single post made the fix happen far faster than a generic request would have.