The correct answer is:
(d) Cisco Jabber
Cisco Jabber is not primarily a business email security tool. It is a communication tool used for instant messaging, video calls, and other collaborative features within businesses. While it is used in enterprise environments, it is not specifically designed for email security.
The other options are related to securing emails:
- (a) Microsoft Office Trust Center: This provides security settings and options for securing Microsoft Office applications, including email in Outlook.
- (b) Sendinc: A secure email service that provides encrypted email communication.
- (c) Hushmail Business: A secure email service focused on encryption and privacy for business communication.