| Action | Effect | Reversible? | Emails go to... | |--------|--------|-------------|------------------| | | Sends all future emails to Spam. Sender never knows. | Yes (unblock) | Spam folder | | Mute | Skips Inbox for a specific conversation thread. New messages go to All Mail. | Yes (unmute) | All Mail (no notification) | | Filter | Automatically applies actions (delete, label, archive) based on rules. | Yes (edit/delete filter) | Varies by rule | | Report Spam | Sends one message to Spam and helps train Gmail’s algorithm. | Not directly; future messages may still arrive normally | Spam (only that message) |