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--- email:install_a_full_mail_server [2016/11/11 16:33] – peter
+++ email:install_a_full_mail_server [2019/11/27 21:53] (current) – removed peter
@@ Line 1: / Line 1: @@
-====== Email - Install a full mail server ======
-===== Requirements =====
-  * Multiple domains using this for email (e.g. @company.com, @othercompany.com, @company-other-spelling.org).
-  * Webmail on your server (for anyone in the org to access email).
-  * Aliases / redirects for some email addresses (e.g. so you can redirect "support@" to a particular person).
-  * DO NOT create "linux users" for every email user – it’s a huge security hole, and a massive pain in the ass for the sysadmin.
-  * DO NOT do mail-relaying.
-===== What is needed =====
-  * Web server [Nginx]
-  * Database server (MySQL)
-  * Email server (MTA) (Exim4)
-  * IMAP server (Dovecot)
-  * Webmail server (Roundcube)
-The database server will be used to manage ALL logins and usernames/passwords.
-===== Installation =====
-You need to install ALL of:
-  * apt-get install apache2-mpm-prefork\\ (Some of these email servers require PHP; PHP is crappy and requires mpm-prefork (the 'slow' version of Apache))
-  * apt-get install mysql-client\\ (should auto-install something like: mysql-common + mysql-client-5.5)
-  * apt-get install mysql-server\\ (should auto-install something like: mysql-server-5.5 + mysql-server-core-5.5)
-  * apt-get install exim4
-  * apt-get install exim4-base
-  * apt-get install exim4-config
-  * apt-get install exim4-daemon-heavy\\ (there's an "exim4-mysql" that might be sufficient to replace this, but I gave up: there are way too many exim4 packages, and no help for installing the "correct" set, so … just pick this and get the lot!)
-  * apt-get install dovecot-core
-  * apt-get install dovecot-imapd
-  * apt-get install dovecot-mysql
-  * apt-get install roundcube
-  * apt-get install roundcube-core
-  * apt-get install roundcube-mysql
-===== Setup: DNS =====
-You need an "MX" record on your DNS server, and it needs to point to your main server where you’ll run your email, web, etc.
-===== Setup: Web server =====
-Roundcube sets up an over-the-top config: it creates an email server on every single website hosted on your server, and makes them all available at once.
-Following the idea of http://www.cpierce.org/2012/04/roundcube-for-your-debian-squeeze-mail-server/, I used a much simpler, easier-to-maintain, and easier-to-secure setup. This is documented in the Debian package docs too.
-==== Create a web address for your webmail ====
-If you have multiple websites hosted on your server, you SHOULD have a separate file for each inside /etc/apache2/sites-available. e.g.:
-  * /etc/apache2/sites-available/domain1.com
-  * /etc/apache2/sites-available/other-domain.com
-  * /etc/apache2/sites-available/my-friends-domain.org
-For each domain that you want to give webmail to, edit the file and ADD the following:
-<file apache>
-<VirtualHost *:80>
-  ServerName webmail.[the domain name]
-  DocumentRoot /var/lib/roundcube
-</VirtualHost>
-</file>
-Note: replace “[the domain name]” with the domain name, e.g. "domain1.com"
-===== References =====
-http://t-machine.org/index.php/2014/06/27/webmail-on-your-debian-server-exim4-dovecot-roundcube/
-https://weijl.org/virtual-domains-with-exim4-dovecot-dspam-and-mysql/
-http://www1.alx.pl/w/linux/exim-sql.conf
-http://alex.mamchenkov.net/2010/06/24/exim-dovecot-and-mysql/