Email Security Deployment

Every new product deployment requires a standard set of tasks to perform the initial configuration of LibraCyber ESG.

7 articoli

How to configure ESG for Microsoft 365

Two supported deployment modes for Microsoft 365 with ESG: in front of the tenant (gateway) or inline. ESG adds native Microsoft 365 API integration on top of the gateway benefits. See the Overview for the deployment diagrams and how to choose.

7 articoli

How to configure ESG for Google Workspace

How to set up Gmail servers with LibraCyber ESG as your inbound and/or outbound mail gateway, so that Gmail identifies the correct source IP address for SPF authentication and all mail is filtered for spam and viruses before delivery. See the Overview for the full description.

4 articoli

Migration

Changing the IP address of your appliance can cause service disruption if it is not done with proper care. There are two migration scenarios, same version and different version (e.g. 4.9 to 5.x migration), each documented in its own How-To. See the Overview for details.

4 articoli

Advanced Configuration

In this section, you will be provided detailed guides on fine-tuning and customizing the ESG. This section includes topics such as enabling domain-based privacy protection, configuring MX records, setting up anti-spam rules for Office 365, and using LibraCyber ESG as mail gateways. Additional sections cover Geo-blocking, custom spam policy creation, rate policy control, and encryption setup. These resources help administrators enhance the email security system based on organizational needs.

9 articoli

Basic configuration

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Threat Remediation

Email Threat Remediation, available since ESG version 4.6, recalls messages already delivered to users’ mailboxes. It supports Microsoft Office 365, Exchange and Zimbra backend mailbox servers, and messages can be recalled one at a time or in batch from the Reports view. See the Overview for the full procedure.

4 articoli

SIEM HTTP event forwarder

From version 5.5 LibraCyber ESG provides an HTTP event forwarder, a feature that sends message details to a SIEM HTTP endpoint in JSON format, using the same format as the /messages-journal API. See the Overview for the full JSON schema and field reference.

3 articoli

Optional DNS configurations

After having completed the installation and configuration of LibraCyber ESG, the following DNS configurations should be considered.

3 articoli

End User Quarantine Reports

End-User Quarantine Reports are notification emails listing a user’s quarantined spam or suspected spam, including links to release messages or whitelist blocked senders. Up to four notifications per day can be scheduled for each user. See the Overview for the full description.

3 articoli