https://rdr-it.com/en/tag/messaging/System administration, virtualization, security and tools for IT professionals.en-USTue, 13 Oct 2026 10:43:53 +0000https://rdr-it.com/en/fortimail-configuring-dkim-for-an-email-domain/Wed, 05 Aug 2026 04:30:00 +0000https://rdr-it.com/en/fortimail-configuring-dkim-for-an-email-domain/In this tutorial, I’ll explain how to configure DKIM on Fortimail for an email domain for outgoing emails. To put it simply, DKIM allows you to sign outgoing emails; this …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-2013-installation-and-configuration/Sat, 27 Jan 2024 05:30:00 +0000https://rdr-it.com/en/exchange-2013-installation-and-configuration/Introduction In this tutorial, we will see how to install Exchange 2013 on a Windows 2012R2 server. A complete tutorial on Exchange 2016 is available , installation and …https://rdr-it.com/en/exchange-2013-2016-migrate-to-exchange-2019/Wed, 04 Nov 2020 06:11:33 +0000https://rdr-it.com/en/exchange-2013-2016-migrate-to-exchange-2019/Introduction In this tutorial, I will walk you through how to migrate from Exchange 2013/2016 to Exchange 2019 . A migration from Exchange is something that can be scary …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/exchange-2019-installation/Tue, 19 Feb 2019 11:30:53 +0000https://rdr-it.com/en/exchange-2019-installation/In this tutorial, we will see how to install Exchange 2019. The Exchange 2019 installation procedure is similar to Exchange 2016 . Environment A domain controller running …