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Hermes Secure Email Gateway is a Free Open Source (Hermes SEG Community Only) Email Gateway that provides Spam, Virus and Malware protection, full in-transit and at-rest email encryption as well as email archiving. Hermes Secure Email Gateway combines Open So...

Access Hermes SEG Administrator Console Using a browser, access the Hermes SEG Administrator Console at ​https://<IP_ADDRESS>/admin/ where <IP_ADDRESS> is the IP address of your server. If you have recently rebooted your system, you may get a 500 Inter...

Configure Zabbix Server to point to zabbix-agent container Navigate to Monitoring --> Hosts -->Zabbix Server --> Configuration (Figure 1) Figure 1 Clear 127.0.0.1 from IP address field Enter zabbix-agent in the DNS name field ...

Ubuntu 22.04 wget https://repo.zabbix.com/zabbix/5.0/ubuntu/pool/main/z/zabbix-release/zabbix-release_5.0-2+ubuntu22.04_all.deb dpkg -i zabbix-release_5.0-2+ubuntu22.04_all.deb apt-get update apt-get install zabbix-agent Ubuntu 20.04 wget https://repo.z...

Install OpenVPN client apt install openvpn -y Manually connect to OpenVPN server Generate .ovpn file on OpenVPN server and copy to OpenVPN client machine Run the command below to connect: openvpn --config client.ovpn Automatically connect...

What is UFW? UFW, or Uncomplicated Firewall, is a front-end to iptables. Its main goal is to make managing your firewall drop-dead simple and to provide an easy-to-use interface. It’s well-supported and popular in the Linux community—even installed by default...

Original How-To URL: https://www.linuxtechi.com/install-configure-kvm-ubuntu-18-04-server/ KVM (Kernel-based Virtual Machine) is an open source full virtualization solution for Linux like systems, KVM provides virtualization functionality using the virtualiza...

Original How-To URL: https://zackreed.me/installing-nut-on-ubuntu/ Install Nut apt-get install nut Edit /etc/nut/ups.conf vi /etc/nut/ups.conf Paste the foollowing at the bottom. Mine’s an APC-1500, so I’ve set it to a recognizable name (apc-1500) [apc-1...

Access Outlook Web at https://ex.mail.ovh.ca After succesful logon, click on the icon on the top right-hand corner. On the resultant menu, click on Options (Figure 1). Figure 1 In the Options page, click on General --> My Account...

Introduction When you receive an Encrypted PDF email, the email has a Password Protected PDF file attached to it. The actual encrypted content is contained inside the attached PDF file. In order to open the attached PDF and read the encrypted content, a passw...

Guide has been updated for Outlook for Office 365/Outlook 2019 Introduction This guide will help you with configuring Outlook to send encrypted e-mail using S/MIME. For the purposes of this guide, an external user is someone who has their email hosted outsi...

E-mail Spam Definition "Spam is any kind of unwanted, unsolicited digital communication, often an email, that gets sent out in bulk."  The main takeaway from the definition above is the word "unsolicited". This means that any bulk e-mail that you receive fro...

Introduction When you receive an e-mail that you believe should not had been marked as [SUSPECTED SPAM], you can typically forward that e-mail as an attachment to our team to ham@deeztek.com. This usually involves selecting the e-mail in question, clicking on...

Hermes SEG should be behind a network perimeter firewall for best security. Network Firewall rule to allow inbound traffic to Hermes SEG IP address over TCP/25 (SMTP), TCP/80 (HTTP) and TCP/443 (HTTPS) Network Firewall rule to allow the Hermes SEG IP addre...

The following URL and default credentials are provided for reference, backup, restore and migration operations of the OVA/Hyper-V appliance. It's highly recommended that the default credentials are changed on the OVA/Hyper-V appliances.   MySQL Root Usern...

Incoming Normal Mail Flow Postfix TCP/25 --> SPF --> DKIM(Milter) TCP/8891 --> (Reinject)Postfix TCP/10026 --> DMARC TCP/54321 --> Amavis TCP/10021 --> James SMTP(Ciphermail) TCP/10025 --> (Reinject)Postfix TCP/10027 --> Postfix TCP/25 --> Destination Incomi...

In this section you can setup the Hermes SEG network settings such as Hostname, IP address, Subnet, DNS and gateway. It's highly recommended that the Network Mode be set to Static. The The Host Name and Primary Domain Name you set in this section is used for ...

The Hermes SEG Console Settings sets the method you wish to access Hermes SEG machine which includes the Admin Console, User Console and the Ciphermail Console. By default, the Console Mode is set to IP Address, however, an IP address is not contusive to using...

This feature is only available with Hermes SEG Pro License. The Admin Console Firewall allows you to specify IP Address(es) that will be allowed access to the Hermes Admin Console (/admin/ and the Ciphermail Admin Console (/ciphermail/). The Firewall does N...

The Postmaster E-mail Address MUST BE on a domain that the system currently delivers email for and the Admin E-mail Address SHOULD BE an email address for a domain that Hermes SEG does NOT deliver email for. Even though the system will allow you to enter an ...