The mail relay was one of the first Security protection in the enterprises. First realized by a simple AV software on the Mail server, today the mail relay is a dedicated system capable of detection signature based attacks (antivirus, antispam). But Mail protection is able to integrate advanced security features:
- Antivirus & Antispam
- Advanced Persistent Threat Detection, sandboxing
- Data Leakage Protection
- Automatic encryption
Hardware or Software Appliance on-site or services in the cloud, the mail relay protection can be implemented in a hybrid model combining service in the cloud and complementary appliance on site from a different vendor.
Dedicated solution: Cisco, Symantec, Trendmicro
Or as an option on Checkpoint, PaloAlto, Cisco, Fortinet NGFW