SSE Symantec Enterprise Vault 10 (July 2013) SSE+ Symantec Messaging Gateway 10.5 SSE Symantec Messaging Gateway 10.5 STS Symantec Messaging Gateway 10.5 SSE+ Symantec Backup Exec 2014 SSE+ Symantec NetBackup 7.6 SSE+ Symantec Enterprise Vault 11 SSE Symantec Backup Exec 2014