Advanced Authentication Methods

Digital Certificates
Utilizing the security authentication capabilities of digital certificates recipients of email messages are provided with assurance that the senders of messages are who they claim to be.

Local or Remote LDAP Database
The Lightweight Directory Access Protocol (LDAP) provides organizations with a simple method for accessing user information on a network. Authenticate roaming mail users and provide access to TLS secure digital certificates for sending mail remotely using corporate mail server. Ensure corporate mail resources are only utilized by authorized users. Encrypted transactions ensure directory information is transmitted securely, free from being intercepted.

POP-Before-SMTP
Providing users with the and convenience of securely utilizing email outside the internal network this authentication mechanism allows users to send mail outside an internal network as long as they are able to uthenticate themselves with a successful POP login.