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The best approach is to install and configure each individual component one by one, ensuring that each one works, and gradually build your mail server. Postfix - this guide explains how to set up Postfix. Mail filtering You can add filtering in your mail chain, mainly in order to detect spam and viruses. PostfixAmavisNew - this guide explains how to integrate amavisd-new with Postfix. Again, there are many of these, with different advantages and disadvantages.

All the servers presented here can be found in the Ubuntu main repository, which means that it receives security updates when necessary. Dovecot - this guide explains how to set up Dovecot as a mail server.

Dovecot is a good mail server which is simple to setup. Courier - this guide explains how to set up Courier as a mail server. Courier is also quite simple to use and can be used with external database for managing virtual users. It is widely used.

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Cyrus - this guide explains how to set up Cyrus as a mail server. Cyrus is of those MDA the most complicated server. Neverthless, it is the more scalable and a widely used server. It only supports virtual users. Warning: Cyrus has been dropped from main. It is in universe on dapper and edgy and thus doesn't necessarily receive security updates. Webmail Webmail permits you and your email users to view their email via their webbrowser from anywhere in the world.

Squirrelmail - this guide explains how to set up Squirrelmail webmail. Mailing lists You can add to your mail server a mailing-list system to deliver mails to a large number of people, let someone else manage subscription, manage people who are posting, moderate messages.

Mailman - this guide explains howto setup a mailman installation on Postfix and Exim. MailServer last edited by ablovatski.

Partners Support Community Ubuntu. Page History Login to edit.Setting up your own email server on Linux from scratch is a pain in the butt, if you are not an advanced user.

This tutorial will be showing you how to use iRedMail to quickly set up a full-featured mail server on Ubuntu With iRedMail, you can easily create unlimited mailboxes and unlimited mail domains in a web-based admin panel.

Open-source software used in iRedMail are as follows:. I recommend Hostwinds because it does not block port 25, so you can send unlimited emails transactional email and newsletters without spending money on SMTP relay.

ubuntu mail server

You can send a million emails per day. DigitalOcean would not unblock port 25, so you will need to set up SMTP relay to bypass blocking, which can cost you additional money. If you use Vultr VPSthen port 25 is blocked by default. They can unblock it if you open a support ticket, but they may block it again at any time if they decide your email sending activity is not allowed.

Vultr actually may re-block it if you use their servers to send newsletters. Go to Hostwinds website to create an account. Once you created an account, Hostwinds will send you an email with the server SSH login details.

To log into your server, you use an SSH client.

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If you are using Linux or macOS on your computer, then simply open up a terminal window and run the following command to log into your server. Replace You will be asked to enter the password. If you are using Windows, please read the following article on how to use SSH client.

You also need a domain name.

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The MX record specifies which host or hosts handle emails for a particular domain name. For example, the host that handles emails for linuxbabe. When it finds out that mail.

Enter in the Name field to represent the main domain name, then enter mail. Note: The hostname for MX record can not be an alias to another name. Your DNS manager may require you to enter a preference value aka priority value. It can be any number between 0 and 65, A small number has higher priority than a big number. After creating MX record, you also need to create an A record for mail. Cloudflare does not support SMTP proxy.

Log into your server via SSHthen run the following command to update existing software packages. Save and close the file.It attempts to be fast and secure, with flexibility in administration. It is compatible with the MTA sendmail. This section will explain installation, including how to configure SMTP for secure communications. This guide does not cover setting up Postfix Virtual Domainsfor information on Virtual Domains and other advanced configurations see References.

For now, it is ok to simply accept defaults by pressing return for each question. Some of the configuration options will be investigated in greater detail in the next stage.

To set the mailbox format, you can either edit the configuration file directly, or use the postconf command.

Later if you wish to re-configure a particular parameter, you can either run the command or change it manually in the file. Once authenticated the SMTP server will allow the client to relay mail.

How to setup a Mail Server on Linux

There are several SASL mechanism properties worth evaluating to improve the security of your deployment. Next, generate or obtain a digital certificate for TLS. See security - certificates in this guide for details about generating digital certificates and setting up your own Certificate Authority CA. Refer to security - certificates in this guide for more details.

Once you have a certificate, configure Postfix to provide TLS encryption for both incoming and outgoing mail:.

Setting up an Ubuntu System as an Email Server

Again, for more details about certificates see security - certificates in this guide. The postfix initial configuration is complete. Run the following command to restart the postfix daemon:.

It is based on SASL. When using ipv6, the mynetworks parameter may need to be modified to allow ipv6 addresses, for example:. You should now have a working mail server, but there are a few options that you may wish to further customize.

For example, the package uses the certificate and key from the ssl-cert self signed package, and in a production environment you should use a certificate and key generated for the host. See security - certificates in this guide for more details. If you see the following in the output, then everything is working perfectly.

Type quit to exit. The Ubuntu Postfix package will by default install into a chroot environment for security reasons. This can add greater complexity when troubleshooting problems. You will then need to restart Postfix to use the new configuration. From a terminal prompt enter:. The amount of detail that is recorded in the logs can be increased via the configuration options. For example, edit the smtp entry:.

Some of the options above can drastically increase the amount of information sent to the log files. Remember to return the log level back to normal after you have corrected the problem.

Then reload the appropriate daemon for the new configuration to take affect.Setting up your own mail server from scratch on Linux is complex and tedious until you meet iRedMail. This tutorial is going to show you how you can easily and quickly set up a full-fledged mail server on Ubuntu Supported OS are as follows:. I recommend Hostwinds because it does not block port 25, so you can send unlimited emails transactional email and newsletters without spending money on SMTP relay.

You can send a million emails per day. DigitalOcean would not unblock port 25, so you will need to set up SMTP relay to bypass blocking, which can cost you additional money. If you use Vultr VPSthen port 25 is blocked by default. They can unblock it if you open a support ticket, but they may block it again at any time if they decide your email sending activity is not allowed.

Vultr actually may re-block it if you use their servers to send newsletters. Go to Hostwinds website to create an account. Once you created an account, Hostwinds will send you an email with the server SSH login details. To log into your server, you use an SSH client.

ubuntu mail server

If you are using Linux or macOS on your computer, then simply open up a terminal window and run the following command to log into your server. Replace You will be asked to enter the password.

ubuntu mail server

If you are using Windows, please read the following article on how to use SSH client. You also need a domain name. The MX record specifies which host or hosts handle emails for a particular domain name. For example, the host that handles emails for linuxbabe. When it finds out that mail. Enter in the Name field to represent the main domain name, then enter mail. Note: The hostname for MX record can not be an alias to another name. Your DNS manager may require you to enter a preference value aka priority value.

It can be any number between 0 and 65, A small number has higher priority than a big number. You can enter 0 for your email server, or accept the default value. After creating MX record, you also need to create an A record for mail. Save and close the file. To see the changes, re-login and then run the following command to see your hostname.

Run the following commands to download the latest version of iRedMail script installer from its Github repository. The next screen will ask you to select the mail storage path.

Next, choose your preferred web server: Apache or Nginx.Get the latest tutorials on SysAdmin and open source topics. Write for DigitalOcean You get paid, we donate to tech non-profits. DigitalOcean Meetups Find and meet other developers in your city. Become an author. Mail-in-a-Box is an open source software bundle that makes it easy to turn your Ubuntu server into a full-stack email solution for multiple domains.

Top 20 Best Linux Mail Server Software and Solutions in 2020

It auto-configures a UFW firewall with all the required ports open. You can tweak your DNS settings afterwards as needed, but the defaults should work very well for most users hosting their own mail. Mail-in-a-Box is very particular about the resources that are available to it. Specifically, it requires:. On the RAM requirement, the installation script will abort with the following output if the RAM requirement is not met:. You are, of course, expected to replace this with your real domain name.

Officially, it is recommended that the hostname of your server be set to box. This should also be the name of the Droplet as it appears on your DigitalOcean dashboard. If the output does not match the name as it appears on your DigitalOcean dashboard, correct it by typing:. To edit it, open it with nano or your favorite editor using:. You can copy the localhost. Use your own IP and domain on the second line. Using glue records makes it easier to securely and correctly set up the server for email.

If you do have an active website at your domain, make sure to set up the appropriate additional DNS records on your Mail-in-a-Box server.

You can copy your existing DNS records to make sure everything works the same. Setting up glue records also called private nameserversvanity nameserversand child nameservers has to be accomplished at your domain registrar. Note: Both tasks must be completed correctly. Otherwise, the server will not be able to function as a mail server. The exact steps involved in this process vary by domain registrar.

Look for a menu item that allows you to modify its nameserver address information. On the Namecheap dashboard, that menu item is called Nameserver Registration under the Advanced Options menu category. You should get an interface that looks like the following:. As shown in the image below, type ns1. Finally, click the Add Nameservers button to add the record number 3. Repeat for the other record, making sure to use ns2. You should get a window that looks just like the one shown in the image below.

Select the custom DNS option, then type in the first two fields:. Note: The custom DNS servers you type here should be the same as the ones you just specified for the Nameserver Registration.The email did not need too much presentation as we all sent and received one. There are companies that provide us with the Email service and that is more than enough for the vast majority of users, but there is the possibility of having one on our own server.

Companies are turning to be technologically independent from other large companies and to be the ones that manipulate their data, including the most sensitive ones. However, it is important to bear in mind that depending on the infrastructure and personnel resources, there may be more disadvantages than benefits to taking this option.

This is done to provide the latest software updates and security patches to improve server performance. First we log in as root user:.

It is simple and versatile. We will use it in this tutorial. Run this command on terminal for install it. To install it:. To download:. Before using Squirrelmail ask us to configure them. We can do it thanks to the configuration script that comes inside the conf folder.

We leave the script and we have to go to the web browser to verify that the installation has been successful. Note: If at the moment of logging in with the username and password, you give us an error. Please help. I am trying to set this on ubuntu Here i dont have any browser. How do i test the server? Error opening. I have setted up everything. Every thing is working correctly but I can only receive email but cannot sent any email from it.

Save my name, email, and website in this browser for the next time I comment. All rights reserved. Osradar is a non-profit website managed by the Old Unixmen owner Mel khamlichi, we offer fresh news about Tutorials Security and Opensource. Please Stay connected and Enjoy with us this wonderful website Contact us: info osradar. Sign in. Log into your account. Password recovery. Forgot your password? Get help. Linux Technology Tutorials Unix. How to setup a mail server on Ubuntu By angeloma.

July 4, The E-mail has proved to be the fastest and reliable communication medium of our time. From businesses to individuals, we all rely on e-mails due to the convenience they offer.

If you ever wondered how computers send these seemingly simple messages over the network, then follow us through this guide. At the heart of e-mail communication, there are mainly two software components, namely the mail server and mail client.

The mail server is responsible for transmitting e-mails from node to node on a network, typically the Internet. And the client allows users in retrieving these mails. Check out our another guide to learn more about various Linux mail clients. Our editors have gone through a massive selection of these tools and selected the 20 best Linux mail server for you.

These include both open source mail servers and proprietary ones. Stay with us to find out more about various Linux email server in details. It also provides efficient cross-platform support which makes it a perfect choice for mail servers that need to be diverse and handle a large number of requests.

Being written entirely in C, Exim offers excellent performance and works great even in legacy systems.

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Moreover, the development team rolls out frequent updates and takes care of bug fixes very well. Download Exim. Postfix is an immensely powerful open source mail server that can be used for routing and delivering e-mails. It offers a robust set of useful features, including junk mail control, database support, convenient log managements alongside many others. So there is plenty of useful documentation available that can help users adapt much faster.

Download Postfix. Zimbra Collaboration Suite ZCS is an open source software framework which provides a powerful yet efficient mail server for Linux users.

It offers a robust set of additional features, including group calendars, and document sharing with flexible tooltips, drag-and-drop items, and convenient UI menus. Zimbra ships ready for both private and public cloud and provides and also offers an innovative mobile web client application.

They also provide an immensely powerful closed-source enterprise edition. Features of Zimbra Email Server. Download Zimbra Email Server. Axigen is a powerful email server software with a robust set of innovative features aimed at making email management hassle-free.

It provides a massive collection of pre-built features such as an integrated mailing list server, malware, and spam protection mechanisms, and various mobile capabilities. Most Linux distributions support Axigen, but the server is not free of charge. However, Axigen also offers a free version with support for up to 5 domains, 5 groups, and 5 users. Download Axigen. Citadel is without any doubt one of the best open source mail server software available right now. It is an age-old server software and stood the test of time due to its flexible features and superior performance.

Citadel is a groupware software, and collaborations take place very frequently. This Linux server tool is known for its simple yet useful control panel alongside its efficient runtime.

Download Citadel.