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Email is far from a perfect communication medium for all use cases but it is still a really good option for low volume alerts from your security monitoring gear. In this article we will quickly show how to set up Exim 4 as a basic mail relay on a Ubuntu server. Exim Installation $ sudo apt-get install exim4 Configuration On Debian and Ubuntu, Exim 4 is configured most easily using a template.
Ubuntu Server Email
Developer Setup Postfix to Relay Mail for Specific Domains or UsersMay 30, 2016I have been working with my mail server a lot lately and I ran into some problems of getting mail delivered to Outlook.com Mail Accounts (Hotmail.com, Outlook.com, Live.com, etc) but I will discuss that more in another article (In Short two months later and still can’t). I have an user that subscribes to MailRoute.net’s excellent spam filtering service, and they use it with my mail server for inbound filtering. However, because Outlook.com will refuse to deliver messages from my mail server, we decided to use MailRoute’s outbound filtering – not really for the outgoing filter, but for the better deliverability to the Outlook.com Mail Accounts.So I needed to setup my mail server to relay mail for one domain to another server that is outside of my control and network. My mail server uses Postfix 2.10 for the Mail Transfer Agent (MTA).
So this is how you can configure Postfix forward (relay) all mail for one virtual domain to another mail server (smart host) before being sent to its final destination. Setup Mail Relay on Your Mail ServerYou will need to do all of this as root, so either sudo or elevate to a root shell. Create a file that will contain the domains that will be processed by another server.
