Cisco Talos today announced the release of a new mechanism that allows Cisco Secure Email customers the option to submit Sender Domain Reputation (SDR) disputes through

Customers now have the option of receiving self-service support through or may continue engaging with TAC. This new feature improves efficiency for Secure Email customers by streamlining the SDR dispute ticket process.

Users can submit email sender domains and email addresses for investigation if they believe a domain or address should be marked as malicious or has been wrongfully marked as malicious. Please provide as much data as possible to assist our investigation team.