https://rdr-it.com/en/tag/relay/System administration, virtualization, security and tools for IT professionals.en-USThu, 15 Oct 2026 15:23:59 +0000https://rdr-it.com/en/postfix-configure-a-mail-relay-mta-on-ubuntu/Wed, 20 Mar 2024 05:30:00 +0000https://rdr-it.com/en/postfix-configure-a-mail-relay-mta-on-ubuntu/In this tutorial, I will explain to you how to install (it’s the easiest) and configure Postfix on Ubuntu as an email relay to send emails from applications, equipment …https://rdr-it.com/en/exchange-send-emails-externally-from-a-connector/Wed, 19 Apr 2023 04:30:00 +0000https://rdr-it.com/en/exchange-send-emails-externally-from-a-connector/In this tutorial, I will explain how to configure a receive connector to send emails outside your organization from Exchange. You have already configured a receive …https://rdr-it.com/en/microsoft-365-create-an-smtp-connector-with-a-fixed-ip-address/Wed, 10 Nov 2021 05:30:00 +0000https://rdr-it.com/en/microsoft-365-create-an-smtp-connector-with-a-fixed-ip-address/In this tutorial, I will explain how to create an SMTP connector in order to be able to send emails from the Microsoft servers of your Microsoft 365 tenant. As a …https://rdr-it.com/en/installing-and-configuring-an-smtp-server-with-windows-server/Tue, 30 Apr 2019 02:00:58 +0000https://rdr-it.com/en/installing-and-configuring-an-smtp-server-with-windows-server/Installation and configuration of the SMTP server functionality with Windows Server.https://rdr-it.com/en/sophos-xg-configure-dhcp-relay/Fri, 29 Mar 2019 03:00:12 +0000https://rdr-it.com/en/sophos-xg-configure-dhcp-relay/Présentation A DHCP relay is a service that listens for DHCPDISCOVER frames to transfer them to a DHCP server. The DHCP relay avoids installing a DHCP service by network …https://rdr-it.com/en/exchange-creating-a-receive-connector/Mon, 21 Jan 2019 05:05:44 +0000https://rdr-it.com/en/exchange-creating-a-receive-connector/Presentation In this tutorial, we will see how to set up a Receive connector on Exchange to allow devices (copiers / firewall …) and applications to send email addresses …