https://rdr-it.com/en/tag/smtp/System administration, virtualization, security and tools for IT professionals.en-USFri, 09 Oct 2026 17:31:24 +0000https://rdr-it.com/en/fortimail-disable-smtp-authentication/Wed, 12 Aug 2026 04:30:00 +0000https://rdr-it.com/en/fortimail-disable-smtp-authentication/In this tutorial, I’ll explain how to disable SMTP authentication on the Fortimail MTA, which is enabled by default. SMTP authentication allows you to use the Fortimail …https://rdr-it.com/en/fortimail-remove-mail-server-headers/Wed, 03 Jun 2026 04:30:00 +0000https://rdr-it.com/en/fortimail-remove-mail-server-headers/In this tutorial, I will explain how to remove internal mail server headers from message sources. To understand what we are going to do, here are the sources of a message …https://rdr-it.com/en/telnet-test-an-smtp-server-and-send-an-email/Wed, 14 May 2025 04:30:00 +0000https://rdr-it.com/en/telnet-test-an-smtp-server-and-send-an-email/In this tutorial, I will explain how to send an email by telneting into an SMTP server. This manipulation is regularly used to test the correct functioning of an SMTP …https://rdr-it.com/en/proxmox-configure-email-notifications/Wed, 12 Mar 2025 05:30:00 +0000https://rdr-it.com/en/proxmox-configure-email-notifications/In this tutorial, I will explain how to configure an SMTP server on Proxmox to receive email notifications. Configure an SMTP server in Proxmox Go to Datacenter / …https://rdr-it.com/en/glpi-10-configuration-of-email-notifications/Wed, 26 Jun 2024 04:30:00 +0000https://rdr-it.com/en/glpi-10-configuration-of-email-notifications/In this tutorial, I will explain how to enable and configure email notifications. To send messages, we will configure an SMTP server. To work, notifications need …https://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-migration-creating-receive-connectors/Wed, 11 Oct 2023 04:30:00 +0000https://rdr-it.com/en/exchange-migration-creating-receive-connectors/In this tutorial, I will explain to you how to create and especially configure receive connectors in Exchange during a migration between two versions. When we do an …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-secure-emails/Fri, 15 Feb 2019 03:00:56 +0000https://rdr-it.com/en/sophos-xg-secure-emails/Introduction In this tutorial, we will see how to secure emails with a Sophos XG firewall. The firewall offers two modes of operation for filtering emails: MTA : the …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 …