Hermes SEG Administrator Guide

Hermes Secure Email Gateway is a Free Open Source (Hermes SEG Community Only) Email Gateway that ...

Access Hermes SEG Administrator Console Using a browser, access the Hermes SEG Administrat...

Introduction Hermes SEG version 18.04 is based on Ubuntu Server 18.04 LTS (Bionic Beaver). On Ma...

Hermes SEG should be behind a network perimeter firewall for best security. Network Firewall r...

The following URL and default credentials are provided for reference, backup, restore and migrati...

Incoming Normal Mail Flow Postfix TCP/25 --> SPF --> DKIM(Milter) TCP/8891 --> (Reinject)Postfix...

Hermes SEG leverages the capabilities of Ciphermail in order to perform encryption/decryption of ...

NOTE: This feature is only available with Hermes SEG Pro License. Hermes SEG requires a listing ...

Hermes SEG utilizes Authelia Authentication Server for controlling access to the the Hermes SEG A...

This feature is only available with Hermes SEG Pro License. The Admin Console Firewall allows ...

In this section you can setup the Hermes SEG network settings such as Hostname, IP address, Subne...

The Hermes SEG Console Settings sets the method you wish to access Hermes SEG machine which inclu...

In this page, you can adjust the the Bounce and Max Queue Lifetime settings, Flush Mail Queue, Vi...

System Logs allows you to set the Log Retention period, fetch system logs by date range/time and ...

System Backup and System Restore are configured and ran in the CLI as root. There is a Backup scr...

Hermes SEG allows you to manage SSL certificates in order to be used for console access over HTTP...

The Postmaster E-mail Address MUST BE on a domain that the system currently delivers email for ...

System Status displays the following information: Version Build Edition Uptime System IP ...

Hermes SEG requires outbound TCP/80 and TCP/443 access to our update servers in order to check ...

The System Users screen allows you to create, add and delete System Users (Figure 1). Figure 1 ...

In this section will be able to configure a scheduled archive jobs for your Hermes SEG. An Email...

Reboot System Click on the Reboot System button and wait for the system to finish the reboot p...

It's important to set SMTP TLS in order to transmit e-mail messages between your Hermes SEG machi...

Normally, Hermes SEG delivers email directly to remote SMTP hosts over the Internet. Sometimes, t...

In order for Hermes SEG to deliver email, you must first set the domain(s) that Hermes SEG will p...

In this section, you can add which individual IPs or networks will be allowed to send (relay) ema...

Hermes SEG requires a listing of Internal Recipients in order to process incoming email and deliv...

If you have an Internal Recipient joe@domain.tld but you also want the email address joe.smoe@dom...

The Hermes SEG Perimeter Checks page allows you to set settings for any incoming email before the...

A RBL (Real Time Block List) is a mechanism for determining the reputation of a sender IP address...

The IP & Network Override section will allow you to Permit or Deny specific IPs or Networks. The ...

The Sender Checks Bypass permits you to either Block or Allow sender email addresses or sender do...

This page is under construction.

Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofi...

DomainKeys Identified Mail (DKIM) is a protocol that allows verifiable email transmission though ...

The settings below control the behavior of the ClamAV antivirus engine. ClamAV is the default eng...

The Hermes SEG default antivirus engine (ClamAV) is not very effective at detecting malware w...

In this page, you can manage problematic Antivirus Signatures that cause too many false positives...

NOTE: This section requires any saved changes to be applied by clicking the Apply Settings button...

This page allows you to customize Spam filter tests scores to fit your needs. If you have problem...

Pyzor is a collaborative, networked system to detect and block spam using digests of messages.Pyz...

Vipul's Razor is a distributed, collaborative, spam detection and filtering network. Vipul's Razo...

Occasionally, the Bayes Database can become corrupted or poisoned due to bad database training or...

File Extensions are helpful in identifying files contained in incoming email attachments. File ex...

File Expressions are helpful in identifying files contained in incoming email attachments. File e...

NOTE: This feature is only available with Hermes SEG Pro License. NOTE: This section requires an...

File Rules allow you to create rules containing either block or allow actions for file extensions...

SVF (Spam/Virus/File) Policies contain settings that determine the behavior of Hermes SEG in ...

Hermes SEG keeps a log and a copy of each email message it sends and receives for archiving p...

An Internal Certificate Authority can be used to create certificates for internal and external re...

PGP Key Servers section allows you to add/delete public PGP Key Servers to Hermes SEG in order to...

The Trigger encryption by e-mail subject allows Internal Recipients to encrypt email to any Ext...

If Internal Recipients have not been added in your system under Gateway --> Internal Recipien...

Hermes SEG will send encrypted email to any external external recipient by by triggering the encr...