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Zammad Configuration Click on Settings --> Users --> New User and create a new user for Zabbix by filling out FIRSTNAME, LASTNAME, EMAIL, PASSWORD and setting the PERMISSIONS to Agent (Figure 1): Figure 1 Once the user is created, locate the user, click t...

Creating message rules to take actions based on e-mail headers is not yet implemented in the Hermes SEG Web GUI. However, this can be accomplished in the command line fairly easily. In the example below, we will redirect e-mail destined for an e-mail address t...

Note: Java Version 10 is not currently supported on Hermes SEG. Hermes SEG has only been tested with Java 8. Login to console or SSH session. Install JDK sudo add-apt-repository -y ppa:webupd8team/java sudo apt-get update echo debconf shared/accepted-...

Hermes SEG does NOT come pre-loaded with the Java JCE Unlimited Strength Jurisdiction Policy files. Hermes SEG takes advantage of the Java JCE Unlimited Strength Jurisdiction Policy files for various functionality throughout the system. You must install  the J...

We are NOT responsible for any issues that may arise from upgrading Ciphermail on your own. Any Ciphermail specific issues should be raised with Ciphermail support. Download Ciphermail Packages Navigate to https://www.ciphermail.com/downloads.html an...

You can disable Windows kernel case-insensitivity by clearing the following registry key to 0: HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel DWORD “obcaseinsensitive” (Figure 1) Figure 1

This guide will walk you through installing, configuring and integrating Sophos Antivirus for Linux with Amavis to be used in conjunction with ClamAV. Install Sophos Antivirus for Linux First, download Sophos Antivirus for Linux from the link below. As of th...

Hermes SEG requires a listing of Internal Recipients in order to process incoming email and deliver that email to the correct recipient mailboxes which are located on an email server(s) which must be previously specified in the Gateway --> Relay Domains. The s...

If you have an Internal Recipient joe@domain.tld but you also want the email address joe.smoe@domain.tld to deliver email to joe@domain.tld, you would set up a virtual address of joe.smoe@domain.tld to deliver to joe@domain.tld. Please note, Virtual Recipients...

The Hermes SEG Perimeter Checks page allows you to set settings for any incoming email before they are even processed by the SMTP server or the rest of the subsystems such as the virus and spam filters . You can think of perimeter checks as a type of "front do...

A RBL (Real Time Block List) is a mechanism for determining the reputation of a sender IP address by looking up the sender IP through various RBLs that are configured in the system. RBL lookups are performed using DNS. The reputation of an IP is determined by ...

The IP & Network Override section will allow you to Permit or Deny specific IPs or Networks. The permit or deny action will occur at the perimeter check level. If the action is permit, then the perimeter checks will be effectively bypassed and the email will b...

The Sender Checks Bypass permits you to either Block or Allow sender email addresses or sender domains to specific Internal Recipients or entire Relay Domains. It's important to note that the Sender Checks occur AFTER the perimeter checks. For example, if you ...

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Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain comes from a host authorized by that domain's administrato...

DomainKeys Identified Mail (DKIM) is a protocol that allows verifiable email transmission though the use of cryptographic authentication. This is accomplished through the use of private and public keys. The private key is stored on the sending email server so ...

The settings below control the behavior of the ClamAV antivirus engine. ClamAV is the default engine that comes pre-configured with Hermes SEG. Additional antivirus scanners can be installed such as Sophos but the settings below ONLY apply to ClamAV. Scan Ema...

The Hermes SEG default antivirus engine (ClamAV) is not very effective at detecting malware when  using only its own signatures. Therefore, 3rd party ClamAV signature feeds have been developed. Using the correct 3rd party signatures, ClamAV becomes extreme...