About Deep Discovery Email Inspector

Deep Discovery Email Inspector stops sophisticated targeted attacks and cyber threats by scanning, simulating, and analyzing suspicious links and attachments in email messages before they can threaten your network. Designed to integrate into your existing email network topology, Deep Discovery Email Inspector can act as a Mail Transfer Agent in the mail traffic flow or as an out-of-band appliance silently monitoring your network for cyber threats and unwanted spam messages.

What's New

Table 1. New Features in Deep Discovery Email Inspector 5.1

Feature

Description

Certificate management

You can manage certificates in Deep Discovery Email Inspector to enable secure console access and SMTP communication in Transport Layer Security (TLS) environments.

Email address modification

Deep Discovery Email Inspector provides the email address modification feature that allows you to:

  • Rewrite sender or recipient addresses in message envelops or message headers

  • Rewrite domains in email addresses

Enhanced TLS communications

TLS communications has been enhanced in Deep Discovery Email Inspector to support the following:

  • TLS 1.3

  • Secure connections for message transfer based on specified domains and IP addresses

DANE for outbound messages

Deep Discovery Email Inspector supports DANE (DNS-based Authentication of Named Entities) to secure outbound messages by verifying SMTP server identity.

Enhanced policy settings

The policy management feature has been enhanced to provide the following settings:

  • Send a blind carbon copy (BCC) of detected messages to specified recipients

  • Change the recipients of detected messages

  • Configure sender-recipient exceptions in policies

  • Configure address groups as policy objects

  • Internal email spoofing prevention

  • Apply message stamps based on policy rules

Sender and recipient validation for Inbound messages

Deep Discovery Email Inspector provides the following security settings to enhance inbound message security:

  • Reject messages from unknown sender IP addresses or domains

  • Reject messages to unknown recipients

  • Match message header FROM address for sender filtering

Enhanced Time-of-Click protection

The Time-of-Click protection feature has been enhanced to include the following:

  • Customization of redirect pages for detected URLs

  • Syslog forwarding for detected URLs

Enhanced Virtual Analyzer

The Virtual Analyzer has been enhanced to include the following features:

  • Open Document file type for sandbox analysis

  • Windows 10 20H1 image support

Improved detection capability

Deep Discovery Email Inspector provides increased protection by improving its detection capabilities. This release supports the following:

  • ALG and EGG archive files for scanning

  • Decryption of password-protected ALG and EGG archive files and Open Document files for scanning

  • URL extraction from Open Document files for scanning

  • DLP forensic data display on the Detections screens

Enhanced approved and blocked senders lists

Configuration of the approved and blocked senders lists has been enhanced to include the following:

  • Sender list import and export

  • Wildcard support for email domain setting

Enhanced license management

The license management feature has been enhanced to support gateway-only license on Deep Discovery Email Inspector for gateway deployment.

New fiber network interface card (NIC) support

Deep Discovery Email Inspector supports additional data ports with 10Gbps fiber NIC installation on hardware models 7200 and 9200.

Deep Discovery Director 5.3 integration

Deep Discovery Email Inspector supports integration with Deep Discovery Director 5.3.

Deep Discovery Analyzer 7.0 integration

Deep Discovery Email Inspector supports integration with Deep Discovery Analyzer 7.0 to enable Linux ELF and shell script file submissions.

Enhanced virtualized deployment

Deep Discovery Email Inspector supports virtual appliance installation on VMware ESXi 6.7 and 7.0.

Inline migration support

Deep Discovery Email Inspector provides users with the option of automatically migrating the settings from the following versions to 5.1:

  • Deep Discovery Email Inspector 5.0

  • Deep Discovery Email Inspector 3.6